1987958370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{19507}}^1$

素因数の和:19639

約数の個数: 64

約数和(自身を含む): 4944107520

約数和(自身を除く): 2956149150

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 79, 86, 129, 158, 215, 237, 258, 395, 430, 474, 645, 790, 1185, 1290, 2370, 3397, 6794, 10191, 16985, 19507, 20382, 33970, 39014, 50955, 58521, 97535, 101910, 117042, 195070, 292605, 585210, 838801, 1541053, 1677602, 2516403, 3082106, 4194005, 4623159, 5032806, 7705265, 8388010, 9246318, 12582015, 15410530, 23115795, 25164030, 46231590, 66265279, 132530558, 198795837, 331326395, 397591674, 662652790, 993979185, 1987958370]

約数ペア:

[(1, 1987958370), (2, 993979185), (3, 662652790), (5, 397591674), (6, 331326395), (10, 198795837), (15, 132530558), (30, 66265279), (43, 46231590), (79, 25164030), (86, 23115795), (129, 15410530), (158, 12582015), (215, 9246318), (237, 8388010), (258, 7705265), (395, 5032806), (430, 4623159), (474, 4194005), (645, 3082106), (790, 2516403), (1185, 1677602), (1290, 1541053), (2370, 838801), (3397, 585210), (6794, 292605), (10191, 195070), (16985, 117042), (19507, 101910), (20382, 97535), (33970, 58521), (39014, 50955)]