313614920

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 717379200

約数和(自身を除く): 403764280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 151, 274, 302, 379, 548, 604, 685, 755, 758, 1096, 1208, 1370, 1510, 1516, 1895, 2740, 3020, 3032, 3790, 5480, 6040, 7580, 15160, 20687, 41374, 51923, 57229, 82748, 103435, 103846, 114458, 165496, 206870, 207692, 228916, 259615, 286145, 413740, 415384, 457832, 519230, 572290, 827480, 1038460, 1144580, 2076920, 2289160, 7840373, 15680746, 31361492, 39201865, 62722984, 78403730, 156807460, 313614920]

約数ペア:

[(1, 313614920), (2, 156807460), (4, 78403730), (5, 62722984), (8, 39201865), (10, 31361492), (20, 15680746), (40, 7840373), (137, 2289160), (151, 2076920), (274, 1144580), (302, 1038460), (379, 827480), (548, 572290), (604, 519230), (685, 457832), (755, 415384), (758, 413740), (1096, 286145), (1208, 259615), (1370, 228916), (1510, 207692), (1516, 206870), (1895, 165496), (2740, 114458), (3020, 103846), (3032, 103435), (3790, 82748), (5480, 57229), (6040, 51923), (7580, 41374), (15160, 20687)]