291309900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 288

約数和(自身を含む): 1041600000

約数和(自身を除く): 750290100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 49, 50, 57, 60, 70, 75, 76, 84, 95, 98, 100, 105, 114, 133, 140, 147, 149, 150, 175, 190, 196, 210, 228, 245, 266, 285, 294, 298, 300, 343, 350, 380, 399, 420, 447, 475, 490, 525, 532, 570, 588, 596, 665, 686, 700, 735, 745, 798, 894, 931, 950, 980, 1029, 1043, 1050, 1140, 1225, 1330, 1372, 1425, 1470, 1490, 1596, 1715, 1788, 1862, 1900, 1995, 2058, 2086, 2100, 2235, 2450, 2660, 2793, 2831, 2850, 2940, 2980, 3129, 3325, 3430, 3675, 3724, 3725, 3990, 4116, 4172, 4470, 4655, 4900, 5145, 5215, 5586, 5662, 5700, 6258, 6517, 6650, 6860, 7301, 7350, 7450, 7980, 8493, 8575, 8940, 9310, 9975, 10290, 10430, 11172, 11175, 11324, 12516, 13034, 13300, 13965, 14155, 14602, 14700, 14900, 15645, 16986, 17150, 18620, 19551, 19817, 19950, 20580, 20860, 21903, 22350, 23275, 25725, 26068, 26075, 27930, 28310, 29204, 31290, 32585, 33972, 34300, 36505, 39102, 39634, 39900, 42465, 43806, 44700, 46550, 51107, 51450, 52150, 55860, 56620, 59451, 62580, 65170, 69825, 70775, 73010, 78204, 78225, 79268, 84930, 87612, 93100, 97755, 99085, 102214, 102900, 104300, 109515, 118902, 130340, 138719, 139650, 141550, 146020, 153321, 156450, 162925, 169860, 182525, 195510, 198170, 204428, 212325, 219030, 237804, 255535, 277438, 279300, 283100, 297255, 306642, 312900, 325850, 365050, 391020, 396340, 416157, 424650, 438060, 488775, 495425, 511070, 547575, 554876, 594510, 613284, 651700, 693595, 730100, 766605, 832314, 849300, 971033, 977550, 990850, 1022140, 1095150, 1189020, 1277675, 1387190, 1486275, 1533210, 1664628, 1942066, 1955100, 1981700, 2080785, 2190300, 2555350, 2774380, 2913099, 2972550, 3066420, 3467975, 3833025, 3884132, 4161570, 4855165, 5110700, 5826198, 5945100, 6935950, 7666050, 8323140, 9710330, 10403925, 11652396, 13871900, 14565495, 15332100, 19420660, 20807850, 24275825, 29130990, 41615700, 48551650, 58261980, 72827475, 97103300, 145654950, 291309900]

約数ペア:

[(1, 291309900), (2, 145654950), (3, 97103300), (4, 72827475), (5, 58261980), (6, 48551650), (7, 41615700), (10, 29130990), (12, 24275825), (14, 20807850), (15, 19420660), (19, 15332100), (20, 14565495), (21, 13871900), (25, 11652396), (28, 10403925), (30, 9710330), (35, 8323140), (38, 7666050), (42, 6935950), (49, 5945100), (50, 5826198), (57, 5110700), (60, 4855165), (70, 4161570), (75, 3884132), (76, 3833025), (84, 3467975), (95, 3066420), (98, 2972550), (100, 2913099), (105, 2774380), (114, 2555350), (133, 2190300), (140, 2080785), (147, 1981700), (149, 1955100), (150, 1942066), (175, 1664628), (190, 1533210), (196, 1486275), (210, 1387190), (228, 1277675), (245, 1189020), (266, 1095150), (285, 1022140), (294, 990850), (298, 977550), (300, 971033), (343, 849300), (350, 832314), (380, 766605), (399, 730100), (420, 693595), (447, 651700), (475, 613284), (490, 594510), (525, 554876), (532, 547575), (570, 511070), (588, 495425), (596, 488775), (665, 438060), (686, 424650), (700, 416157), (735, 396340), (745, 391020), (798, 365050), (894, 325850), (931, 312900), (950, 306642), (980, 297255), (1029, 283100), (1043, 279300), (1050, 277438), (1140, 255535), (1225, 237804), (1330, 219030), (1372, 212325), (1425, 204428), (1470, 198170), (1490, 195510), (1596, 182525), (1715, 169860), (1788, 162925), (1862, 156450), (1900, 153321), (1995, 146020), (2058, 141550), (2086, 139650), (2100, 138719), (2235, 130340), (2450, 118902), (2660, 109515), (2793, 104300), (2831, 102900), (2850, 102214), (2940, 99085), (2980, 97755), (3129, 93100), (3325, 87612), (3430, 84930), (3675, 79268), (3724, 78225), (3725, 78204), (3990, 73010), (4116, 70775), (4172, 69825), (4470, 65170), (4655, 62580), (4900, 59451), (5145, 56620), (5215, 55860), (5586, 52150), (5662, 51450), (5700, 51107), (6258, 46550), (6517, 44700), (6650, 43806), (6860, 42465), (7301, 39900), (7350, 39634), (7450, 39102), (7980, 36505), (8493, 34300), (8575, 33972), (8940, 32585), (9310, 31290), (9975, 29204), (10290, 28310), (10430, 27930), (11172, 26075), (11175, 26068), (11324, 25725), (12516, 23275), (13034, 22350), (13300, 21903), (13965, 20860), (14155, 20580), (14602, 19950), (14700, 19817), (14900, 19551), (15645, 18620), (16986, 17150)]