1485980

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 3144960

約数和(自身を除く): 1658980

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 389, 764, 778, 955, 1556, 1910, 1945, 3820, 3890, 7780, 74299, 148598, 297196, 371495, 742990, 1485980]

約数ペア:

[(1, 1485980), (2, 742990), (4, 371495), (5, 297196), (10, 148598), (20, 74299), (191, 7780), (382, 3890), (389, 3820), (764, 1945), (778, 1910), (955, 1556)]