421962340

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{186709}}^1$

素因数の和:186831

約数の個数: 24

約数和(自身を含む): 893967480

約数和(自身を除く): 472005140

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 186709, 373418, 746836, 933545, 1867090, 3734180, 21098117, 42196234, 84392468, 105490585, 210981170, 421962340]

約数ペア:

[(1, 421962340), (2, 210981170), (4, 105490585), (5, 84392468), (10, 42196234), (20, 21098117), (113, 3734180), (226, 1867090), (452, 933545), (565, 746836), (1130, 373418), (2260, 186709)]