31187660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{607}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 75177984

約数和(自身を除く): 43990324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 367, 607, 734, 1214, 1468, 1835, 2428, 2569, 3035, 3670, 4249, 5138, 6070, 7340, 8498, 10276, 12140, 12845, 16996, 21245, 25690, 42490, 51380, 84980, 222769, 445538, 891076, 1113845, 1559383, 2227690, 3118766, 4455380, 6237532, 7796915, 15593830, 31187660]

約数ペア:

[(1, 31187660), (2, 15593830), (4, 7796915), (5, 6237532), (7, 4455380), (10, 3118766), (14, 2227690), (20, 1559383), (28, 1113845), (35, 891076), (70, 445538), (140, 222769), (367, 84980), (607, 51380), (734, 42490), (1214, 25690), (1468, 21245), (1835, 16996), (2428, 12845), (2569, 12140), (3035, 10276), (3670, 8498), (4249, 7340), (5138, 6070)]