210937640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{170111}}^1$

素因数の和:170153

約数の個数: 32

約数和(自身を含む): 489922560

約数和(自身を除く): 278984920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 170111, 340222, 680444, 850555, 1360888, 1701110, 3402220, 5273441, 6804440, 10546882, 21093764, 26367205, 42187528, 52734410, 105468820, 210937640]

約数ペア:

[(1, 210937640), (2, 105468820), (4, 52734410), (5, 42187528), (8, 26367205), (10, 21093764), (20, 10546882), (31, 6804440), (40, 5273441), (62, 3402220), (124, 1701110), (155, 1360888), (248, 850555), (310, 680444), (620, 340222), (1240, 170111)]