1245307220

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{75109}}^1$

素因数の和:75947

約数の個数: 24

約数和(自身を含む): 2618334600

約数和(自身を除く): 1373027380

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 3316, 4145, 8290, 16580, 75109, 150218, 300436, 375545, 751090, 1502180, 62265361, 124530722, 249061444, 311326805, 622653610, 1245307220]

約数ペア:

[(1, 1245307220), (2, 622653610), (4, 311326805), (5, 249061444), (10, 124530722), (20, 62265361), (829, 1502180), (1658, 751090), (3316, 375545), (4145, 300436), (8290, 150218), (16580, 75109)]