125538460

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 268632000

約数和(自身を除く): 143093540

約数列:

[1, 2, 4, 5, 10, 20, 103, 149, 206, 298, 409, 412, 515, 596, 745, 818, 1030, 1490, 1636, 2045, 2060, 2980, 4090, 8180, 15347, 30694, 42127, 60941, 61388, 76735, 84254, 121882, 153470, 168508, 210635, 243764, 304705, 306940, 421270, 609410, 842540, 1218820, 6276923, 12553846, 25107692, 31384615, 62769230, 125538460]

約数ペア:

[(1, 125538460), (2, 62769230), (4, 31384615), (5, 25107692), (10, 12553846), (20, 6276923), (103, 1218820), (149, 842540), (206, 609410), (298, 421270), (409, 306940), (412, 304705), (515, 243764), (596, 210635), (745, 168508), (818, 153470), (1030, 121882), (1490, 84254), (1636, 76735), (2045, 61388), (2060, 60941), (2980, 42127), (4090, 30694), (8180, 15347)]