178426870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{1489}}^1$

素因数の和:2040

約数の個数: 32

約数和(自身を含む): 336000960

約数和(自身を除く): 157574090

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 521, 1042, 1489, 2605, 2978, 5210, 7445, 11983, 14890, 23966, 34247, 59915, 68494, 119830, 171235, 342470, 775769, 1551538, 3878845, 7757690, 17842687, 35685374, 89213435, 178426870]

約数ペア:

[(1, 178426870), (2, 89213435), (5, 35685374), (10, 17842687), (23, 7757690), (46, 3878845), (115, 1551538), (230, 775769), (521, 342470), (1042, 171235), (1489, 119830), (2605, 68494), (2978, 59915), (5210, 34247), (7445, 23966), (11983, 14890)]