8168380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 18942336

約数和(自身を除く): 10773956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 347, 428, 535, 694, 1070, 1177, 1388, 1735, 2140, 2354, 3470, 3817, 4708, 5885, 6940, 7634, 11770, 15268, 19085, 23540, 37129, 38170, 74258, 76340, 148516, 185645, 371290, 408419, 742580, 816838, 1633676, 2042095, 4084190, 8168380]

約数ペア:

[(1, 8168380), (2, 4084190), (4, 2042095), (5, 1633676), (10, 816838), (11, 742580), (20, 408419), (22, 371290), (44, 185645), (55, 148516), (107, 76340), (110, 74258), (214, 38170), (220, 37129), (347, 23540), (428, 19085), (535, 15268), (694, 11770), (1070, 7634), (1177, 6940), (1388, 5885), (1735, 4708), (2140, 3817), (2354, 3470)]