3170180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 7302960

約数和(自身を除く): 4132780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 137, 178, 260, 274, 356, 445, 548, 685, 890, 1157, 1370, 1780, 1781, 2314, 2740, 3562, 4628, 5785, 7124, 8905, 11570, 12193, 17810, 23140, 24386, 35620, 48772, 60965, 121930, 158509, 243860, 317018, 634036, 792545, 1585090, 3170180]

約数ペア:

[(1, 3170180), (2, 1585090), (4, 792545), (5, 634036), (10, 317018), (13, 243860), (20, 158509), (26, 121930), (52, 60965), (65, 48772), (89, 35620), (130, 24386), (137, 23140), (178, 17810), (260, 12193), (274, 11570), (356, 8905), (445, 7124), (548, 5785), (685, 4628), (890, 3562), (1157, 2740), (1370, 2314), (1780, 1781)]