31105660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3559}}^1$

素因数の和:3610

約数の個数: 48

約数和(自身を含む): 71769600

約数和(自身を除く): 40663940

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 3559, 4370, 7118, 8740, 14236, 17795, 35590, 67621, 71180, 81857, 135242, 163714, 270484, 327428, 338105, 409285, 676210, 818570, 1352420, 1555283, 1637140, 3110566, 6221132, 7776415, 15552830, 31105660]

約数ペア:

[(1, 31105660), (2, 15552830), (4, 7776415), (5, 6221132), (10, 3110566), (19, 1637140), (20, 1555283), (23, 1352420), (38, 818570), (46, 676210), (76, 409285), (92, 338105), (95, 327428), (115, 270484), (190, 163714), (230, 135242), (380, 81857), (437, 71180), (460, 67621), (874, 35590), (1748, 17795), (2185, 14236), (3559, 8740), (4370, 7118)]