1994540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3217}}^1$

素因数の和:3257

約数の個数: 24

約数和(自身を含む): 4324992

約数和(自身を除く): 2330452

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3217, 6434, 12868, 16085, 32170, 64340, 99727, 199454, 398908, 498635, 997270, 1994540]

約数ペア:

[(1, 1994540), (2, 997270), (4, 498635), (5, 398908), (10, 199454), (20, 99727), (31, 64340), (62, 32170), (124, 16085), (155, 12868), (310, 6434), (620, 3217)]