208883480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1151}}^1$

素因数の和:1524

約数の個数: 64

約数和(自身を含む): 508032000

約数和(自身を除く): 299148520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 349, 520, 698, 1151, 1396, 1745, 2302, 2792, 3490, 4537, 4604, 5755, 6980, 9074, 9208, 11510, 13960, 14963, 18148, 22685, 23020, 29926, 36296, 45370, 46040, 59852, 74815, 90740, 119704, 149630, 181480, 299260, 401699, 598520, 803398, 1606796, 2008495, 3213592, 4016990, 5222087, 8033980, 10444174, 16067960, 20888348, 26110435, 41776696, 52220870, 104441740, 208883480]

約数ペア:

[(1, 208883480), (2, 104441740), (4, 52220870), (5, 41776696), (8, 26110435), (10, 20888348), (13, 16067960), (20, 10444174), (26, 8033980), (40, 5222087), (52, 4016990), (65, 3213592), (104, 2008495), (130, 1606796), (260, 803398), (349, 598520), (520, 401699), (698, 299260), (1151, 181480), (1396, 149630), (1745, 119704), (2302, 90740), (2792, 74815), (3490, 59852), (4537, 46040), (4604, 45370), (5755, 36296), (6980, 29926), (9074, 23020), (9208, 22685), (11510, 18148), (13960, 14963)]