303707860

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1\times {\mathrm{389}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 647337600

約数和(自身を除く): 343629740

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 379, 389, 412, 515, 758, 778, 1030, 1516, 1556, 1895, 1945, 2060, 3790, 3890, 7580, 7780, 39037, 40067, 78074, 80134, 147431, 156148, 160268, 195185, 200335, 294862, 390370, 400670, 589724, 737155, 780740, 801340, 1474310, 2948620, 15185393, 30370786, 60741572, 75926965, 151853930, 303707860]

約数ペア:

[(1, 303707860), (2, 151853930), (4, 75926965), (5, 60741572), (10, 30370786), (20, 15185393), (103, 2948620), (206, 1474310), (379, 801340), (389, 780740), (412, 737155), (515, 589724), (758, 400670), (778, 390370), (1030, 294862), (1516, 200335), (1556, 195185), (1895, 160268), (1945, 156148), (2060, 147431), (3790, 80134), (3890, 78074), (7580, 40067), (7780, 39037)]