1891551160

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1\times {\mathrm{821}}^1$

素因数の和:1312

約数の個数: 64

約数和(自身を含む): 4296758400

約数和(自身を除く): 2405207240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 241, 478, 482, 821, 956, 964, 1195, 1205, 1642, 1912, 1928, 2390, 2410, 3284, 4105, 4780, 4820, 6568, 8210, 9560, 9640, 16420, 32840, 57599, 115198, 196219, 197861, 230396, 287995, 392438, 395722, 460792, 575990, 784876, 791444, 981095, 989305, 1151980, 1569752, 1582888, 1962190, 1978610, 2303960, 3924380, 3957220, 7848760, 7914440, 47288779, 94577558, 189155116, 236443895, 378310232, 472887790, 945775580, 1891551160]

約数ペア:

[(1, 1891551160), (2, 945775580), (4, 472887790), (5, 378310232), (8, 236443895), (10, 189155116), (20, 94577558), (40, 47288779), (239, 7914440), (241, 7848760), (478, 3957220), (482, 3924380), (821, 2303960), (956, 1978610), (964, 1962190), (1195, 1582888), (1205, 1569752), (1642, 1151980), (1912, 989305), (1928, 981095), (2390, 791444), (2410, 784876), (3284, 575990), (4105, 460792), (4780, 395722), (4820, 392438), (6568, 287995), (8210, 230396), (9560, 197861), (9640, 196219), (16420, 115198), (32840, 57599)]