2921390

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{751}}^1$

素因数の和:1147

約数の個数: 16

約数和(自身を含む): 5279040

約数和(自身を除く): 2357650

約数列:

[1, 2, 5, 10, 389, 751, 778, 1502, 1945, 3755, 3890, 7510, 292139, 584278, 1460695, 2921390]

約数ペア:

[(1, 2921390), (2, 1460695), (5, 584278), (10, 292139), (389, 7510), (751, 3890), (778, 3755), (1502, 1945)]