199465340

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{88259}}^1$

素因数の和:88381

約数の個数: 24

約数和(自身を含む): 422588880

約数和(自身を除く): 223123540

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 88259, 176518, 353036, 441295, 882590, 1765180, 9973267, 19946534, 39893068, 49866335, 99732670, 199465340]

約数ペア:

[(1, 199465340), (2, 99732670), (4, 49866335), (5, 39893068), (10, 19946534), (20, 9973267), (113, 1765180), (226, 882590), (452, 441295), (565, 353036), (1130, 176518), (2260, 88259)]