140591380

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{4721}}^1$

素因数の和:6219

約数の個数: 24

約数和(自身を含む): 295502760

約数和(自身を除く): 154911380

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2978, 4721, 5956, 7445, 9442, 14890, 18884, 23605, 29780, 47210, 94420, 7029569, 14059138, 28118276, 35147845, 70295690, 140591380]

約数ペア:

[(1, 140591380), (2, 70295690), (4, 35147845), (5, 28118276), (10, 14059138), (20, 7029569), (1489, 94420), (2978, 47210), (4721, 29780), (5956, 23605), (7445, 18884), (9442, 14890)]