1611804520

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{270437}}^1$

素因数の和:270597

約数の個数: 32

約数和(自身を含む): 3650913000

約数和(自身を除く): 2039108480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 270437, 540874, 1081748, 1352185, 2163496, 2704370, 5408740, 10817480, 40295113, 80590226, 161180452, 201475565, 322360904, 402951130, 805902260, 1611804520]

約数ペア:

[(1, 1611804520), (2, 805902260), (4, 402951130), (5, 322360904), (8, 201475565), (10, 161180452), (20, 80590226), (40, 40295113), (149, 10817480), (298, 5408740), (596, 2704370), (745, 2163496), (1192, 1352185), (1490, 1081748), (2980, 540874), (5960, 270437)]