239991050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{877}}^1$

素因数の和:1323

約数の個数: 48

約数和(自身を含む): 482411832

約数和(自身を除く): 242420782

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 421, 650, 842, 877, 1754, 2105, 4210, 4385, 5473, 8770, 10525, 10946, 11401, 21050, 21925, 22802, 27365, 43850, 54730, 57005, 114010, 136825, 273650, 285025, 369217, 570050, 738434, 1846085, 3692170, 4799821, 9230425, 9599642, 18460850, 23999105, 47998210, 119995525, 239991050]

約数ペア:

[(1, 239991050), (2, 119995525), (5, 47998210), (10, 23999105), (13, 18460850), (25, 9599642), (26, 9230425), (50, 4799821), (65, 3692170), (130, 1846085), (325, 738434), (421, 570050), (650, 369217), (842, 285025), (877, 273650), (1754, 136825), (2105, 114010), (4210, 57005), (4385, 54730), (5473, 43850), (8770, 27365), (10525, 22802), (10946, 21925), (11401, 21050)]