68392820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{110311}}^1$

素因数の和:110351

約数の個数: 24

約数和(自身を含む): 148259328

約数和(自身を除く): 79866508

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 110311, 220622, 441244, 551555, 1103110, 2206220, 3419641, 6839282, 13678564, 17098205, 34196410, 68392820]

約数ペア:

[(1, 68392820), (2, 34196410), (4, 17098205), (5, 13678564), (10, 6839282), (20, 3419641), (31, 2206220), (62, 1103110), (124, 551555), (155, 441244), (310, 220622), (620, 110311)]