140782510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{20981}}^1$

素因数の和:21060

約数の個数: 32

約数和(自身を含む): 280990944

約数和(自身を除く): 140208434

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3355, 6710, 20981, 41962, 104905, 209810, 230791, 461582, 1153955, 1279841, 2307910, 2559682, 6399205, 12798410, 14078251, 28156502, 70391255, 140782510]

約数ペア:

[(1, 140782510), (2, 70391255), (5, 28156502), (10, 14078251), (11, 12798410), (22, 6399205), (55, 2559682), (61, 2307910), (110, 1279841), (122, 1153955), (305, 461582), (610, 230791), (671, 209810), (1342, 104905), (3355, 41962), (6710, 20981)]