76982420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 166698000

約数和(自身を除く): 89715580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 269, 349, 410, 538, 698, 820, 1076, 1345, 1396, 1745, 2690, 3490, 5380, 6980, 11029, 14309, 22058, 28618, 44116, 55145, 57236, 71545, 93881, 110290, 143090, 187762, 220580, 286180, 375524, 469405, 938810, 1877620, 3849121, 7698242, 15396484, 19245605, 38491210, 76982420]

約数ペア:

[(1, 76982420), (2, 38491210), (4, 19245605), (5, 15396484), (10, 7698242), (20, 3849121), (41, 1877620), (82, 938810), (164, 469405), (205, 375524), (269, 286180), (349, 220580), (410, 187762), (538, 143090), (698, 110290), (820, 93881), (1076, 71545), (1345, 57236), (1396, 55145), (1745, 44116), (2690, 28618), (3490, 22058), (5380, 14309), (6980, 11029)]