315412400

素因数分解:

$2^4\times 5^2\times {\mathrm{788531}}^1$

素因数の和:788549

約数の個数: 30

約数和(自身を含む): 757779252

約数和(自身を除く): 442366852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 788531, 1577062, 3154124, 3942655, 6308248, 7885310, 12616496, 15770620, 19713275, 31541240, 39426550, 63082480, 78853100, 157706200, 315412400]

約数ペア:

[(1, 315412400), (2, 157706200), (4, 78853100), (5, 63082480), (8, 39426550), (10, 31541240), (16, 19713275), (20, 15770620), (25, 12616496), (40, 7885310), (50, 6308248), (80, 3942655), (100, 3154124), (200, 1577062), (400, 788531)]