313210520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{8539}}^1$

素因数の和:8688

約数の個数: 64

約数和(自身を含む): 811641600

約数和(自身を除く): 498431080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3668, 4585, 5240, 7336, 8539, 9170, 17078, 18340, 34156, 36680, 42695, 59773, 68312, 85390, 119546, 170780, 239092, 298865, 341560, 478184, 597730, 1118609, 1195460, 2237218, 2390920, 4474436, 5593045, 7830263, 8948872, 11186090, 15660526, 22372180, 31321052, 39151315, 44744360, 62642104, 78302630, 156605260, 313210520]

約数ペア:

[(1, 313210520), (2, 156605260), (4, 78302630), (5, 62642104), (7, 44744360), (8, 39151315), (10, 31321052), (14, 22372180), (20, 15660526), (28, 11186090), (35, 8948872), (40, 7830263), (56, 5593045), (70, 4474436), (131, 2390920), (140, 2237218), (262, 1195460), (280, 1118609), (524, 597730), (655, 478184), (917, 341560), (1048, 298865), (1310, 239092), (1834, 170780), (2620, 119546), (3668, 85390), (4585, 68312), (5240, 59773), (7336, 42695), (8539, 36680), (9170, 34156), (17078, 18340)]