86381980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2207}}^1$

素因数の和:2338

約数の個数: 48

約数和(自身を含む): 192890880

約数和(自身を除く): 106508900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1957, 2060, 2207, 3914, 4414, 7828, 8828, 9785, 11035, 19570, 22070, 39140, 41933, 44140, 83866, 167732, 209665, 227321, 419330, 454642, 838660, 909284, 1136605, 2273210, 4319099, 4546420, 8638198, 17276396, 21595495, 43190990, 86381980]

約数ペア:

[(1, 86381980), (2, 43190990), (4, 21595495), (5, 17276396), (10, 8638198), (19, 4546420), (20, 4319099), (38, 2273210), (76, 1136605), (95, 909284), (103, 838660), (190, 454642), (206, 419330), (380, 227321), (412, 209665), (515, 167732), (1030, 83866), (1957, 44140), (2060, 41933), (2207, 39140), (3914, 22070), (4414, 19570), (7828, 11035), (8828, 9785)]