79004440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 189423360

約数和(自身を除く): 110418920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 223, 340, 446, 521, 680, 892, 1042, 1115, 1784, 2084, 2230, 2605, 3791, 4168, 4460, 5210, 7582, 8857, 8920, 10420, 15164, 17714, 18955, 20840, 30328, 35428, 37910, 44285, 70856, 75820, 88570, 116183, 151640, 177140, 232366, 354280, 464732, 580915, 929464, 1161830, 1975111, 2323660, 3950222, 4647320, 7900444, 9875555, 15800888, 19751110, 39502220, 79004440]

約数ペア:

[(1, 79004440), (2, 39502220), (4, 19751110), (5, 15800888), (8, 9875555), (10, 7900444), (17, 4647320), (20, 3950222), (34, 2323660), (40, 1975111), (68, 1161830), (85, 929464), (136, 580915), (170, 464732), (223, 354280), (340, 232366), (446, 177140), (521, 151640), (680, 116183), (892, 88570), (1042, 75820), (1115, 70856), (1784, 44285), (2084, 37910), (2230, 35428), (2605, 30328), (3791, 20840), (4168, 18955), (4460, 17714), (5210, 15164), (7582, 10420), (8857, 8920)]