129352780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109621}}^1$

素因数の和:109689

約数の個数: 24

約数和(自身を含む): 276247440

約数和(自身を除く): 146894660

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 109621, 219242, 438484, 548105, 1096210, 2192420, 6467639, 12935278, 25870556, 32338195, 64676390, 129352780]

約数ペア:

[(1, 129352780), (2, 64676390), (4, 32338195), (5, 25870556), (10, 12935278), (20, 6467639), (59, 2192420), (118, 1096210), (236, 548105), (295, 438484), (590, 219242), (1180, 109621)]