1490780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 3160080

約数和(自身を除く): 1669300

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 569, 655, 1138, 1310, 2276, 2620, 2845, 5690, 11380, 74539, 149078, 298156, 372695, 745390, 1490780]

約数ペア:

[(1, 1490780), (2, 745390), (4, 372695), (5, 298156), (10, 149078), (20, 74539), (131, 11380), (262, 5690), (524, 2845), (569, 2620), (655, 2276), (1138, 1310)]