211345220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{144757}}^1$

素因数の和:144839

約数の個数: 24

約数和(自身を含む): 449907864

約数和(自身を除く): 238562644

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 144757, 289514, 579028, 723785, 1447570, 2895140, 10567261, 21134522, 42269044, 52836305, 105672610, 211345220]

約数ペア:

[(1, 211345220), (2, 105672610), (4, 52836305), (5, 42269044), (10, 21134522), (20, 10567261), (73, 2895140), (146, 1447570), (292, 723785), (365, 579028), (730, 289514), (1460, 144757)]