354250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 720720

約数和(自身を除く): 366470

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 109, 125, 130, 218, 250, 325, 545, 650, 1090, 1417, 1625, 2725, 2834, 3250, 5450, 7085, 13625, 14170, 27250, 35425, 70850, 177125, 354250]

約数ペア:

[(1, 354250), (2, 177125), (5, 70850), (10, 35425), (13, 27250), (25, 14170), (26, 13625), (50, 7085), (65, 5450), (109, 3250), (125, 2834), (130, 2725), (218, 1625), (250, 1417), (325, 1090), (545, 650)]