813303940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{359869}}^1$

素因数の和:359991

約数の個数: 24

約数和(自身を含む): 1723057560

約数和(自身を除く): 909753620

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 359869, 719738, 1439476, 1799345, 3598690, 7197380, 40665197, 81330394, 162660788, 203325985, 406651970, 813303940]

約数ペア:

[(1, 813303940), (2, 406651970), (4, 203325985), (5, 162660788), (10, 81330394), (20, 40665197), (113, 7197380), (226, 3598690), (452, 1799345), (565, 1439476), (1130, 719738), (2260, 359869)]