220154870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{54629}}^1$

素因数の和:54680

約数の個数: 32

約数和(自身を含む): 440536320

約数和(自身を除く): 220381450

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 54629, 109258, 273145, 546290, 710177, 1420354, 1693499, 3386998, 3550885, 7101770, 8467495, 16934990, 22015487, 44030974, 110077435, 220154870]

約数ペア:

[(1, 220154870), (2, 110077435), (5, 44030974), (10, 22015487), (13, 16934990), (26, 8467495), (31, 7101770), (62, 3550885), (65, 3386998), (130, 1693499), (155, 1420354), (310, 710177), (403, 546290), (806, 273145), (2015, 109258), (4030, 54629)]