258308980

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{22619}}^1$

素因数の和:23199

約数の個数: 24

約数和(自身を含む): 543422880

約数和(自身を除く): 285113900

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 22619, 45238, 90476, 113095, 226190, 452380, 12915449, 25830898, 51661796, 64577245, 129154490, 258308980]

約数ペア:

[(1, 258308980), (2, 129154490), (4, 64577245), (5, 51661796), (10, 25830898), (20, 12915449), (571, 452380), (1142, 226190), (2284, 113095), (2855, 90476), (5710, 45238), (11420, 22619)]