145425620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3511}}^1$

素因数の和:3648

約数の個数: 48

約数和(自身を含む): 324508800

約数和(自身を除く): 179083180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 2071, 2180, 3511, 4142, 7022, 8284, 10355, 14044, 17555, 20710, 35110, 41420, 66709, 70220, 133418, 266836, 333545, 382699, 667090, 765398, 1334180, 1530796, 1913495, 3826990, 7271281, 7653980, 14542562, 29085124, 36356405, 72712810, 145425620]

約数ペア:

[(1, 145425620), (2, 72712810), (4, 36356405), (5, 29085124), (10, 14542562), (19, 7653980), (20, 7271281), (38, 3826990), (76, 1913495), (95, 1530796), (109, 1334180), (190, 765398), (218, 667090), (380, 382699), (436, 333545), (545, 266836), (1090, 133418), (2071, 70220), (2180, 66709), (3511, 41420), (4142, 35110), (7022, 20710), (8284, 17555), (10355, 14044)]