189517360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:782

約数の個数: 80

約数和(自身を含む): 469068192

約数和(自身を除く): 279550832

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 331, 340, 421, 662, 680, 842, 1324, 1360, 1655, 1684, 2105, 2648, 3310, 3368, 4210, 5296, 5627, 6620, 6736, 7157, 8420, 11254, 13240, 14314, 16840, 22508, 26480, 28135, 28628, 33680, 35785, 45016, 56270, 57256, 71570, 90032, 112540, 114512, 139351, 143140, 225080, 278702, 286280, 450160, 557404, 572560, 696755, 1114808, 1393510, 2229616, 2368967, 2787020, 4737934, 5574040, 9475868, 11148080, 11844835, 18951736, 23689670, 37903472, 47379340, 94758680, 189517360]

約数ペア:

[(1, 189517360), (2, 94758680), (4, 47379340), (5, 37903472), (8, 23689670), (10, 18951736), (16, 11844835), (17, 11148080), (20, 9475868), (34, 5574040), (40, 4737934), (68, 2787020), (80, 2368967), (85, 2229616), (136, 1393510), (170, 1114808), (272, 696755), (331, 572560), (340, 557404), (421, 450160), (662, 286280), (680, 278702), (842, 225080), (1324, 143140), (1360, 139351), (1655, 114512), (1684, 112540), (2105, 90032), (2648, 71570), (3310, 57256), (3368, 56270), (4210, 45016), (5296, 35785), (5627, 33680), (6620, 28628), (6736, 28135), (7157, 26480), (8420, 22508), (11254, 16840), (13240, 14314)]