157638100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 356254976

約数和(自身を除く): 198616876

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 211, 241, 310, 422, 482, 620, 775, 844, 964, 1055, 1205, 1550, 2110, 2410, 3100, 4220, 4820, 5275, 6025, 6541, 7471, 10550, 12050, 13082, 14942, 21100, 24100, 26164, 29884, 32705, 37355, 50851, 65410, 74710, 101702, 130820, 149420, 163525, 186775, 203404, 254255, 327050, 373550, 508510, 654100, 747100, 1017020, 1271275, 1576381, 2542550, 3152762, 5085100, 6305524, 7881905, 15763810, 31527620, 39409525, 78819050, 157638100]

約数ペア:

[(1, 157638100), (2, 78819050), (4, 39409525), (5, 31527620), (10, 15763810), (20, 7881905), (25, 6305524), (31, 5085100), (50, 3152762), (62, 2542550), (100, 1576381), (124, 1271275), (155, 1017020), (211, 747100), (241, 654100), (310, 508510), (422, 373550), (482, 327050), (620, 254255), (775, 203404), (844, 186775), (964, 163525), (1055, 149420), (1205, 130820), (1550, 101702), (2110, 74710), (2410, 65410), (3100, 50851), (4220, 37355), (4820, 32705), (5275, 29884), (6025, 26164), (6541, 24100), (7471, 21100), (10550, 14942), (12050, 13082)]