1290460

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 2738736

約数和(自身を除く): 1448276

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 571, 1130, 1142, 2260, 2284, 2855, 5710, 11420, 64523, 129046, 258092, 322615, 645230, 1290460]

約数ペア:

[(1, 1290460), (2, 645230), (4, 322615), (5, 258092), (10, 129046), (20, 64523), (113, 11420), (226, 5710), (452, 2855), (565, 2284), (571, 2260), (1130, 1142)]