211442320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{85259}}^1$

素因数の和:85303

約数の個数: 40

約数和(自身を含む): 507467520

約数和(自身を除く): 296025200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 85259, 170518, 341036, 426295, 682072, 852590, 1364144, 1705180, 2643029, 3410360, 5286058, 6820720, 10572116, 13215145, 21144232, 26430290, 42288464, 52860580, 105721160, 211442320]

約数ペア:

[(1, 211442320), (2, 105721160), (4, 52860580), (5, 42288464), (8, 26430290), (10, 21144232), (16, 13215145), (20, 10572116), (31, 6820720), (40, 5286058), (62, 3410360), (80, 2643029), (124, 1705180), (155, 1364144), (248, 852590), (310, 682072), (496, 426295), (620, 341036), (1240, 170518), (2480, 85259)]