222531340

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{28603}}^1$

素因数の和:29001

約数の個数: 24

約数和(自身を含む): 468533520

約数和(自身を除く): 246002180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 28603, 57206, 114412, 143015, 286030, 572060, 11126567, 22253134, 44506268, 55632835, 111265670, 222531340]

約数ペア:

[(1, 222531340), (2, 111265670), (4, 55632835), (5, 44506268), (10, 22253134), (20, 11126567), (389, 572060), (778, 286030), (1556, 143015), (1945, 114412), (3890, 57206), (7780, 28603)]