315007990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{27803}}^1$

素因数の和:27924

約数の個数: 32

約数和(自身を含む): 624589056

約数和(自身を除く): 309581066

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 206, 515, 1030, 1133, 2266, 5665, 11330, 27803, 55606, 139015, 278030, 305833, 611666, 1529165, 2863709, 3058330, 5727418, 14318545, 28637090, 31500799, 63001598, 157503995, 315007990]

約数ペア:

[(1, 315007990), (2, 157503995), (5, 63001598), (10, 31500799), (11, 28637090), (22, 14318545), (55, 5727418), (103, 3058330), (110, 2863709), (206, 1529165), (515, 611666), (1030, 305833), (1133, 278030), (2266, 139015), (5665, 55606), (11330, 27803)]