78219460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{2129}}^1$

素因数の和:2316

約数の個数: 48

約数和(自身を含む): 180351360

約数和(自身を除く): 102131900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 167, 220, 334, 668, 835, 1670, 1837, 2129, 3340, 3674, 4258, 7348, 8516, 9185, 10645, 18370, 21290, 23419, 36740, 42580, 46838, 93676, 117095, 234190, 355543, 468380, 711086, 1422172, 1777715, 3555430, 3910973, 7110860, 7821946, 15643892, 19554865, 39109730, 78219460]

約数ペア:

[(1, 78219460), (2, 39109730), (4, 19554865), (5, 15643892), (10, 7821946), (11, 7110860), (20, 3910973), (22, 3555430), (44, 1777715), (55, 1422172), (110, 711086), (167, 468380), (220, 355543), (334, 234190), (668, 117095), (835, 93676), (1670, 46838), (1837, 42580), (2129, 36740), (3340, 23419), (3674, 21290), (4258, 18370), (7348, 10645), (8516, 9185)]