2257420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 5354496

約数和(自身を除く): 3097076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 331, 341, 620, 662, 682, 1324, 1364, 1655, 1705, 3310, 3410, 3641, 6620, 6820, 7282, 10261, 14564, 18205, 20522, 36410, 41044, 51305, 72820, 102610, 112871, 205220, 225742, 451484, 564355, 1128710, 2257420]

約数ペア:

[(1, 2257420), (2, 1128710), (4, 564355), (5, 451484), (10, 225742), (11, 205220), (20, 112871), (22, 102610), (31, 72820), (44, 51305), (55, 41044), (62, 36410), (110, 20522), (124, 18205), (155, 14564), (220, 10261), (310, 7282), (331, 6820), (341, 6620), (620, 3641), (662, 3410), (682, 3310), (1324, 1705), (1364, 1655)]