491097980

素因数分解:

$2^2\times 5^1\times {\mathrm{1933}}^1\times {\mathrm{12703}}^1$

素因数の和:14645

約数の個数: 24

約数和(自身を含む): 1031920512

約数和(自身を除く): 540822532

約数列:

[1, 2, 4, 5, 10, 20, 1933, 3866, 7732, 9665, 12703, 19330, 25406, 38660, 50812, 63515, 127030, 254060, 24554899, 49109798, 98219596, 122774495, 245548990, 491097980]

約数ペア:

[(1, 491097980), (2, 245548990), (4, 122774495), (5, 98219596), (10, 49109798), (20, 24554899), (1933, 254060), (3866, 127030), (7732, 63515), (9665, 50812), (12703, 38660), (19330, 25406)]