154040980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3719}}^1$

素因数の和:3856

約数の個数: 48

約数和(自身を含む): 343728000

約数和(自身を除く): 189687020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 2071, 2180, 3719, 4142, 7438, 8284, 10355, 14876, 18595, 20710, 37190, 41420, 70661, 74380, 141322, 282644, 353305, 405371, 706610, 810742, 1413220, 1621484, 2026855, 4053710, 7702049, 8107420, 15404098, 30808196, 38510245, 77020490, 154040980]

約数ペア:

[(1, 154040980), (2, 77020490), (4, 38510245), (5, 30808196), (10, 15404098), (19, 8107420), (20, 7702049), (38, 4053710), (76, 2026855), (95, 1621484), (109, 1413220), (190, 810742), (218, 706610), (380, 405371), (436, 353305), (545, 282644), (1090, 141322), (2071, 74380), (2180, 70661), (3719, 41420), (4142, 37190), (7438, 20710), (8284, 18595), (10355, 14876)]