198011710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1093

約数の個数: 64

約数和(自身を含む): 404974080

約数和(自身を除く): 206962370

約数列:

[1, 2, 5, 10, 13, 26, 29, 53, 58, 65, 106, 130, 145, 265, 290, 377, 530, 689, 754, 991, 1378, 1537, 1885, 1982, 3074, 3445, 3770, 4955, 6890, 7685, 9910, 12883, 15370, 19981, 25766, 28739, 39962, 52523, 57478, 64415, 99905, 105046, 128830, 143695, 199810, 262615, 287390, 373607, 525230, 682799, 747214, 1365598, 1523167, 1868035, 3046334, 3413995, 3736070, 6827990, 7615835, 15231670, 19801171, 39602342, 99005855, 198011710]

約数ペア:

[(1, 198011710), (2, 99005855), (5, 39602342), (10, 19801171), (13, 15231670), (26, 7615835), (29, 6827990), (53, 3736070), (58, 3413995), (65, 3046334), (106, 1868035), (130, 1523167), (145, 1365598), (265, 747214), (290, 682799), (377, 525230), (530, 373607), (689, 287390), (754, 262615), (991, 199810), (1378, 143695), (1537, 128830), (1885, 105046), (1982, 99905), (3074, 64415), (3445, 57478), (3770, 52523), (4955, 39962), (6890, 28739), (7685, 25766), (9910, 19981), (12883, 15370)]