421780810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{201809}}^1$

素因数の和:201846

約数の個数: 32

約数和(自身を含む): 871819200

約数和(自身を除く): 450038390

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 201809, 403618, 1009045, 2018090, 2219899, 3834371, 4439798, 7668742, 11099495, 19171855, 22198990, 38343710, 42178081, 84356162, 210890405, 421780810]

約数ペア:

[(1, 421780810), (2, 210890405), (5, 84356162), (10, 42178081), (11, 38343710), (19, 22198990), (22, 19171855), (38, 11099495), (55, 7668742), (95, 4439798), (110, 3834371), (190, 2219899), (209, 2018090), (418, 1009045), (1045, 403618), (2090, 201809)]