280147010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{195907}}^1$

素因数の和:195938

約数の個数: 32

約数和(自身を含む): 592425792

約数和(自身を除く): 312278782

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 195907, 391814, 979535, 1959070, 2154977, 2546791, 4309954, 5093582, 10774885, 12733955, 21549770, 25467910, 28014701, 56029402, 140073505, 280147010]

約数ペア:

[(1, 280147010), (2, 140073505), (5, 56029402), (10, 28014701), (11, 25467910), (13, 21549770), (22, 12733955), (26, 10774885), (55, 5093582), (65, 4309954), (110, 2546791), (130, 2154977), (143, 1959070), (286, 979535), (715, 391814), (1430, 195907)]