400759020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 288

約数和(自身を含む): 1389286080

約数和(自身を除く): 988527060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 61, 68, 76, 85, 90, 95, 102, 113, 114, 122, 153, 170, 171, 180, 183, 190, 204, 226, 228, 244, 255, 285, 305, 306, 323, 339, 340, 342, 366, 380, 452, 510, 549, 565, 570, 610, 612, 646, 678, 684, 732, 765, 855, 915, 969, 1017, 1020, 1037, 1098, 1130, 1140, 1159, 1220, 1292, 1356, 1530, 1615, 1695, 1710, 1830, 1921, 1938, 2034, 2074, 2147, 2196, 2260, 2318, 2745, 2907, 3060, 3111, 3230, 3390, 3420, 3477, 3660, 3842, 3876, 4068, 4148, 4294, 4636, 4845, 5085, 5185, 5490, 5763, 5795, 5814, 6222, 6441, 6460, 6780, 6893, 6954, 7684, 8588, 9333, 9605, 9690, 10170, 10370, 10431, 10735, 10980, 11526, 11590, 11628, 12444, 12882, 13786, 13908, 14535, 15555, 17289, 17385, 18666, 19210, 19323, 19380, 19703, 20340, 20679, 20740, 20862, 21470, 23052, 23180, 25764, 27572, 28815, 29070, 31110, 32205, 34465, 34578, 34770, 36499, 37332, 38420, 38646, 39406, 41358, 41724, 42940, 46665, 52155, 57630, 58140, 59109, 62037, 62220, 64410, 68930, 69156, 69540, 72998, 77292, 78812, 82716, 86445, 93330, 96615, 98515, 103395, 104310, 109497, 115260, 117181, 118218, 124074, 128820, 130967, 137860, 145996, 172890, 177327, 182495, 186660, 193230, 197030, 206790, 208620, 218994, 234362, 236436, 248148, 261934, 295545, 310185, 328491, 345780, 351543, 354654, 364990, 386460, 392901, 394060, 413580, 437988, 468724, 523868, 547485, 585905, 591090, 620370, 654835, 656982, 703086, 709308, 729980, 785802, 886635, 1054629, 1094970, 1171810, 1178703, 1182180, 1240740, 1309670, 1313964, 1406172, 1571604, 1642455, 1757715, 1773270, 1964505, 2109258, 2189940, 2226439, 2343620, 2357406, 2619340, 3284910, 3515430, 3546540, 3929010, 4218516, 4452878, 4714812, 5273145, 5893515, 6569820, 6679317, 7030860, 7858020, 8905756, 10546290, 11132195, 11787030, 13358634, 20037951, 21092580, 22264390, 23574060, 26717268, 33396585, 40075902, 44528780, 66793170, 80151804, 100189755, 133586340, 200379510, 400759020]

約数ペア:

[(1, 400759020), (2, 200379510), (3, 133586340), (4, 100189755), (5, 80151804), (6, 66793170), (9, 44528780), (10, 40075902), (12, 33396585), (15, 26717268), (17, 23574060), (18, 22264390), (19, 21092580), (20, 20037951), (30, 13358634), (34, 11787030), (36, 11132195), (38, 10546290), (45, 8905756), (51, 7858020), (57, 7030860), (60, 6679317), (61, 6569820), (68, 5893515), (76, 5273145), (85, 4714812), (90, 4452878), (95, 4218516), (102, 3929010), (113, 3546540), (114, 3515430), (122, 3284910), (153, 2619340), (170, 2357406), (171, 2343620), (180, 2226439), (183, 2189940), (190, 2109258), (204, 1964505), (226, 1773270), (228, 1757715), (244, 1642455), (255, 1571604), (285, 1406172), (305, 1313964), (306, 1309670), (323, 1240740), (339, 1182180), (340, 1178703), (342, 1171810), (366, 1094970), (380, 1054629), (452, 886635), (510, 785802), (549, 729980), (565, 709308), (570, 703086), (610, 656982), (612, 654835), (646, 620370), (678, 591090), (684, 585905), (732, 547485), (765, 523868), (855, 468724), (915, 437988), (969, 413580), (1017, 394060), (1020, 392901), (1037, 386460), (1098, 364990), (1130, 354654), (1140, 351543), (1159, 345780), (1220, 328491), (1292, 310185), (1356, 295545), (1530, 261934), (1615, 248148), (1695, 236436), (1710, 234362), (1830, 218994), (1921, 208620), (1938, 206790), (2034, 197030), (2074, 193230), (2147, 186660), (2196, 182495), (2260, 177327), (2318, 172890), (2745, 145996), (2907, 137860), (3060, 130967), (3111, 128820), (3230, 124074), (3390, 118218), (3420, 117181), (3477, 115260), (3660, 109497), (3842, 104310), (3876, 103395), (4068, 98515), (4148, 96615), (4294, 93330), (4636, 86445), (4845, 82716), (5085, 78812), (5185, 77292), (5490, 72998), (5763, 69540), (5795, 69156), (5814, 68930), (6222, 64410), (6441, 62220), (6460, 62037), (6780, 59109), (6893, 58140), (6954, 57630), (7684, 52155), (8588, 46665), (9333, 42940), (9605, 41724), (9690, 41358), (10170, 39406), (10370, 38646), (10431, 38420), (10735, 37332), (10980, 36499), (11526, 34770), (11590, 34578), (11628, 34465), (12444, 32205), (12882, 31110), (13786, 29070), (13908, 28815), (14535, 27572), (15555, 25764), (17289, 23180), (17385, 23052), (18666, 21470), (19210, 20862), (19323, 20740), (19380, 20679), (19703, 20340)]