138655850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 266232960

約数和(自身を除く): 127577110

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 239, 283, 410, 478, 566, 1025, 1195, 1415, 2050, 2390, 2830, 5975, 7075, 9799, 11603, 11950, 14150, 19598, 23206, 48995, 58015, 67637, 97990, 116030, 135274, 244975, 290075, 338185, 489950, 580150, 676370, 1690925, 2773117, 3381850, 5546234, 13865585, 27731170, 69327925, 138655850]

約数ペア:

[(1, 138655850), (2, 69327925), (5, 27731170), (10, 13865585), (25, 5546234), (41, 3381850), (50, 2773117), (82, 1690925), (205, 676370), (239, 580150), (283, 489950), (410, 338185), (478, 290075), (566, 244975), (1025, 135274), (1195, 116030), (1415, 97990), (2050, 67637), (2390, 58015), (2830, 48995), (5975, 23206), (7075, 19598), (9799, 14150), (11603, 11950)]