29827850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 60438840

約数和(自身を除く): 30610990

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 109, 130, 218, 325, 421, 545, 650, 842, 1090, 1417, 2105, 2725, 2834, 4210, 5450, 5473, 7085, 10525, 10946, 14170, 21050, 27365, 35425, 45889, 54730, 70850, 91778, 136825, 229445, 273650, 458890, 596557, 1147225, 1193114, 2294450, 2982785, 5965570, 14913925, 29827850]

約数ペア:

[(1, 29827850), (2, 14913925), (5, 5965570), (10, 2982785), (13, 2294450), (25, 1193114), (26, 1147225), (50, 596557), (65, 458890), (109, 273650), (130, 229445), (218, 136825), (325, 91778), (421, 70850), (545, 54730), (650, 45889), (842, 35425), (1090, 27365), (1417, 21050), (2105, 14170), (2725, 10946), (2834, 10525), (4210, 7085), (5450, 5473)]