312539800

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 746380800

約数和(自身を除く): 433841000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 131, 151, 158, 200, 262, 302, 316, 395, 524, 604, 632, 655, 755, 790, 1048, 1208, 1310, 1510, 1580, 1975, 2620, 3020, 3160, 3275, 3775, 3950, 5240, 6040, 6550, 7550, 7900, 10349, 11929, 13100, 15100, 15800, 19781, 20698, 23858, 26200, 30200, 39562, 41396, 47716, 51745, 59645, 79124, 82792, 95432, 98905, 103490, 119290, 158248, 197810, 206980, 238580, 258725, 298225, 395620, 413960, 477160, 494525, 517450, 596450, 791240, 989050, 1034900, 1192900, 1562699, 1978100, 2069800, 2385800, 3125398, 3956200, 6250796, 7813495, 12501592, 15626990, 31253980, 39067475, 62507960, 78134950, 156269900, 312539800]

約数ペア:

[(1, 312539800), (2, 156269900), (4, 78134950), (5, 62507960), (8, 39067475), (10, 31253980), (20, 15626990), (25, 12501592), (40, 7813495), (50, 6250796), (79, 3956200), (100, 3125398), (131, 2385800), (151, 2069800), (158, 1978100), (200, 1562699), (262, 1192900), (302, 1034900), (316, 989050), (395, 791240), (524, 596450), (604, 517450), (632, 494525), (655, 477160), (755, 413960), (790, 395620), (1048, 298225), (1208, 258725), (1310, 238580), (1510, 206980), (1580, 197810), (1975, 158248), (2620, 119290), (3020, 103490), (3160, 98905), (3275, 95432), (3775, 82792), (3950, 79124), (5240, 59645), (6040, 51745), (6550, 47716), (7550, 41396), (7900, 39562), (10349, 30200), (11929, 26200), (13100, 23858), (15100, 20698), (15800, 19781)]