400022010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{77977}}^1$

素因数の和:78012

約数の個数: 64

約数和(自身を含む): 1122883200

約数和(自身を除く): 722861190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 5130, 77977, 155954, 233931, 389885, 467862, 701793, 779770, 1169655, 1403586, 1481563, 2105379, 2339310, 2963126, 3508965, 4210758, 4444689, 7017930, 7407815, 8889378, 10526895, 13334067, 14815630, 21053790, 22223445, 26668134, 40002201, 44446890, 66670335, 80004402, 133340670, 200011005, 400022010]

約数ペア:

[(1, 400022010), (2, 200011005), (3, 133340670), (5, 80004402), (6, 66670335), (9, 44446890), (10, 40002201), (15, 26668134), (18, 22223445), (19, 21053790), (27, 14815630), (30, 13334067), (38, 10526895), (45, 8889378), (54, 7407815), (57, 7017930), (90, 4444689), (95, 4210758), (114, 3508965), (135, 2963126), (171, 2339310), (190, 2105379), (270, 1481563), (285, 1403586), (342, 1169655), (513, 779770), (570, 701793), (855, 467862), (1026, 389885), (1710, 233931), (2565, 155954), (5130, 77977)]