400854480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9883}}^1$

素因数の和:9925

約数の個数: 120

約数和(自身を含む): 1345726368

約数和(自身を除く): 944871888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 2028, 2535, 2704, 3120, 3380, 4056, 5070, 6760, 8112, 9883, 10140, 13520, 19766, 20280, 29649, 39532, 40560, 49415, 59298, 79064, 98830, 118596, 128479, 148245, 158128, 197660, 237192, 256958, 296490, 385437, 395320, 474384, 513916, 592980, 642395, 770874, 790640, 1027832, 1185960, 1284790, 1541748, 1670227, 1927185, 2055664, 2371920, 2569580, 3083496, 3340454, 3854370, 5010681, 5139160, 6166992, 6680908, 7708740, 8351135, 10021362, 10278320, 13361816, 15417480, 16702270, 20042724, 25053405, 26723632, 30834960, 33404540, 40085448, 50106810, 66809080, 80170896, 100213620, 133618160, 200427240, 400854480]

約数ペア:

[(1, 400854480), (2, 200427240), (3, 133618160), (4, 100213620), (5, 80170896), (6, 66809080), (8, 50106810), (10, 40085448), (12, 33404540), (13, 30834960), (15, 26723632), (16, 25053405), (20, 20042724), (24, 16702270), (26, 15417480), (30, 13361816), (39, 10278320), (40, 10021362), (48, 8351135), (52, 7708740), (60, 6680908), (65, 6166992), (78, 5139160), (80, 5010681), (104, 3854370), (120, 3340454), (130, 3083496), (156, 2569580), (169, 2371920), (195, 2055664), (208, 1927185), (240, 1670227), (260, 1541748), (312, 1284790), (338, 1185960), (390, 1027832), (507, 790640), (520, 770874), (624, 642395), (676, 592980), (780, 513916), (845, 474384), (1014, 395320), (1040, 385437), (1352, 296490), (1560, 256958), (1690, 237192), (2028, 197660), (2535, 158128), (2704, 148245), (3120, 128479), (3380, 118596), (4056, 98830), (5070, 79064), (6760, 59298), (8112, 49415), (9883, 40560), (10140, 39532), (13520, 29649), (19766, 20280)]