201019190

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{648449}}^1$

素因数の和:648487

約数の個数: 16

約数和(自身を含む): 373507200

約数和(自身を除く): 172488010

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 648449, 1296898, 3242245, 6484490, 20101919, 40203838, 100509595, 201019190]

約数ペア:

[(1, 201019190), (2, 100509595), (5, 40203838), (10, 20101919), (31, 6484490), (62, 3242245), (155, 1296898), (310, 648449)]