61321100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 139324416

約数和(自身を除く): 78003316

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 131, 151, 155, 262, 302, 310, 524, 604, 620, 655, 755, 775, 1310, 1510, 1550, 2620, 3020, 3100, 3275, 3775, 4061, 4681, 6550, 7550, 8122, 9362, 13100, 15100, 16244, 18724, 19781, 20305, 23405, 39562, 40610, 46810, 79124, 81220, 93620, 98905, 101525, 117025, 197810, 203050, 234050, 395620, 406100, 468100, 494525, 613211, 989050, 1226422, 1978100, 2452844, 3066055, 6132110, 12264220, 15330275, 30660550, 61321100]

約数ペア:

[(1, 61321100), (2, 30660550), (4, 15330275), (5, 12264220), (10, 6132110), (20, 3066055), (25, 2452844), (31, 1978100), (50, 1226422), (62, 989050), (100, 613211), (124, 494525), (131, 468100), (151, 406100), (155, 395620), (262, 234050), (302, 203050), (310, 197810), (524, 117025), (604, 101525), (620, 98905), (655, 93620), (755, 81220), (775, 79124), (1310, 46810), (1510, 40610), (1550, 39562), (2620, 23405), (3020, 20305), (3100, 19781), (3275, 18724), (3775, 16244), (4061, 15100), (4681, 13100), (6550, 9362), (7550, 8122)]