274743020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{1187}}^1$

素因数の和:1430

約数の個数: 48

約数和(自身を含む): 589171968

約数和(自身を除く): 314428948

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 163, 284, 326, 355, 652, 710, 815, 1187, 1420, 1630, 2374, 3260, 4748, 5935, 11573, 11870, 23146, 23740, 46292, 57865, 84277, 115730, 168554, 193481, 231460, 337108, 386962, 421385, 773924, 842770, 967405, 1685540, 1934810, 3869620, 13737151, 27474302, 54948604, 68685755, 137371510, 274743020]

約数ペア:

[(1, 274743020), (2, 137371510), (4, 68685755), (5, 54948604), (10, 27474302), (20, 13737151), (71, 3869620), (142, 1934810), (163, 1685540), (284, 967405), (326, 842770), (355, 773924), (652, 421385), (710, 386962), (815, 337108), (1187, 231460), (1420, 193481), (1630, 168554), (2374, 115730), (3260, 84277), (4748, 57865), (5935, 46292), (11573, 23740), (11870, 23146)]