201718040

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{14533}}^1$

素因数の和:14891

約数の個数: 32

約数和(自身を含む): 455204880

約数和(自身を除く): 253486840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 6940, 13880, 14533, 29066, 58132, 72665, 116264, 145330, 290660, 581320, 5042951, 10085902, 20171804, 25214755, 40343608, 50429510, 100859020, 201718040]

約数ペア:

[(1, 201718040), (2, 100859020), (4, 50429510), (5, 40343608), (8, 25214755), (10, 20171804), (20, 10085902), (40, 5042951), (347, 581320), (694, 290660), (1388, 145330), (1735, 116264), (2776, 72665), (3470, 58132), (6940, 29066), (13880, 14533)]