204394580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{1151}}^1$

素因数の和:1856

約数の個数: 48

約数和(自身を含む): 463325184

約数和(自身を除く): 258930604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 683, 1151, 1366, 2302, 2732, 3415, 4604, 5755, 6830, 8879, 11510, 13660, 14963, 17758, 23020, 29926, 35516, 44395, 59852, 74815, 88790, 149630, 177580, 299260, 786133, 1572266, 3144532, 3930665, 7861330, 10219729, 15722660, 20439458, 40878916, 51098645, 102197290, 204394580]

約数ペア:

[(1, 204394580), (2, 102197290), (4, 51098645), (5, 40878916), (10, 20439458), (13, 15722660), (20, 10219729), (26, 7861330), (52, 3930665), (65, 3144532), (130, 1572266), (260, 786133), (683, 299260), (1151, 177580), (1366, 149630), (2302, 88790), (2732, 74815), (3415, 59852), (4604, 44395), (5755, 35516), (6830, 29926), (8879, 23020), (11510, 17758), (13660, 14963)]