17651620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2137}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 43102080

約数和(自身を除く): 25450460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 2137, 4130, 4274, 8260, 8548, 10685, 14959, 21370, 29918, 42740, 59836, 74795, 126083, 149590, 252166, 299180, 504332, 630415, 882581, 1260830, 1765162, 2521660, 3530324, 4412905, 8825810, 17651620]

約数ペア:

[(1, 17651620), (2, 8825810), (4, 4412905), (5, 3530324), (7, 2521660), (10, 1765162), (14, 1260830), (20, 882581), (28, 630415), (35, 504332), (59, 299180), (70, 252166), (118, 149590), (140, 126083), (236, 74795), (295, 59836), (413, 42740), (590, 29918), (826, 21370), (1180, 14959), (1652, 10685), (2065, 8548), (2137, 8260), (4130, 4274)]