1999245780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4943}}^1$

素因数の和:5075

約数の個数: 192

約数和(自身を含む): 7176314880

約数和(自身を除く): 5177069100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 107, 108, 126, 135, 140, 180, 189, 210, 214, 252, 270, 315, 321, 378, 420, 428, 535, 540, 630, 642, 749, 756, 945, 963, 1070, 1260, 1284, 1498, 1605, 1890, 1926, 2140, 2247, 2889, 2996, 3210, 3745, 3780, 3852, 4494, 4815, 4943, 5778, 6420, 6741, 7490, 8988, 9630, 9886, 11235, 11556, 13482, 14445, 14829, 14980, 19260, 19772, 20223, 22470, 24715, 26964, 28890, 29658, 33705, 34601, 40446, 44487, 44940, 49430, 57780, 59316, 67410, 69202, 74145, 80892, 88974, 98860, 101115, 103803, 133461, 134820, 138404, 148290, 173005, 177948, 202230, 207606, 222435, 266922, 296580, 311409, 346010, 404460, 415212, 444870, 519015, 528901, 533844, 622818, 667305, 692020, 889740, 934227, 1038030, 1057802, 1245636, 1334610, 1557045, 1586703, 1868454, 2076060, 2115604, 2644505, 2669220, 3114090, 3173406, 3702307, 3736908, 4671135, 4760109, 5289010, 6228180, 6346812, 7404614, 7933515, 9342270, 9520218, 10578020, 11106921, 14280327, 14809228, 15867030, 18511535, 18684540, 19040436, 22213842, 23800545, 28560654, 31734060, 33320763, 37023070, 44427684, 47601090, 55534605, 57121308, 66641526, 71401635, 74046140, 95202180, 99962289, 111069210, 133283052, 142803270, 166603815, 199924578, 222138420, 285606540, 333207630, 399849156, 499811445, 666415260, 999622890, 1999245780]

約数ペア:

[(1, 1999245780), (2, 999622890), (3, 666415260), (4, 499811445), (5, 399849156), (6, 333207630), (7, 285606540), (9, 222138420), (10, 199924578), (12, 166603815), (14, 142803270), (15, 133283052), (18, 111069210), (20, 99962289), (21, 95202180), (27, 74046140), (28, 71401635), (30, 66641526), (35, 57121308), (36, 55534605), (42, 47601090), (45, 44427684), (54, 37023070), (60, 33320763), (63, 31734060), (70, 28560654), (84, 23800545), (90, 22213842), (105, 19040436), (107, 18684540), (108, 18511535), (126, 15867030), (135, 14809228), (140, 14280327), (180, 11106921), (189, 10578020), (210, 9520218), (214, 9342270), (252, 7933515), (270, 7404614), (315, 6346812), (321, 6228180), (378, 5289010), (420, 4760109), (428, 4671135), (535, 3736908), (540, 3702307), (630, 3173406), (642, 3114090), (749, 2669220), (756, 2644505), (945, 2115604), (963, 2076060), (1070, 1868454), (1260, 1586703), (1284, 1557045), (1498, 1334610), (1605, 1245636), (1890, 1057802), (1926, 1038030), (2140, 934227), (2247, 889740), (2889, 692020), (2996, 667305), (3210, 622818), (3745, 533844), (3780, 528901), (3852, 519015), (4494, 444870), (4815, 415212), (4943, 404460), (5778, 346010), (6420, 311409), (6741, 296580), (7490, 266922), (8988, 222435), (9630, 207606), (9886, 202230), (11235, 177948), (11556, 173005), (13482, 148290), (14445, 138404), (14829, 134820), (14980, 133461), (19260, 103803), (19772, 101115), (20223, 98860), (22470, 88974), (24715, 80892), (26964, 74145), (28890, 69202), (29658, 67410), (33705, 59316), (34601, 57780), (40446, 49430), (44487, 44940)]