28880090

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1429}}^1$

素因数の和:1526

約数の個数: 32

約数和(自身を含む): 54362880

約数和(自身を除く): 25482790

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 215, 235, 430, 470, 1429, 2021, 2858, 4042, 7145, 10105, 14290, 20210, 61447, 67163, 122894, 134326, 307235, 335815, 614470, 671630, 2888009, 5776018, 14440045, 28880090]

約数ペア:

[(1, 28880090), (2, 14440045), (5, 5776018), (10, 2888009), (43, 671630), (47, 614470), (86, 335815), (94, 307235), (215, 134326), (235, 122894), (430, 67163), (470, 61447), (1429, 20210), (2021, 14290), (2858, 10105), (4042, 7145)]