1488890420

素因数分解:

$2^2\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{57221}}^1$

素因数の和:58531

約数の個数: 24

約数和(自身を含む): 3129127848

約数和(自身を除く): 1640237428

約数列:

[1, 2, 4, 5, 10, 20, 1301, 2602, 5204, 6505, 13010, 26020, 57221, 114442, 228884, 286105, 572210, 1144420, 74444521, 148889042, 297778084, 372222605, 744445210, 1488890420]

約数ペア:

[(1, 1488890420), (2, 744445210), (4, 372222605), (5, 297778084), (10, 148889042), (20, 74444521), (1301, 1144420), (2602, 572210), (5204, 286105), (6505, 228884), (13010, 114442), (26020, 57221)]