1771250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:144

約数の個数: 40

約数和(自身を含む): 3608220

約数和(自身を除く): 1836970

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 109, 125, 130, 218, 250, 325, 545, 625, 650, 1090, 1250, 1417, 1625, 2725, 2834, 3250, 5450, 7085, 8125, 13625, 14170, 16250, 27250, 35425, 68125, 70850, 136250, 177125, 354250, 885625, 1771250]

約数ペア:

[(1, 1771250), (2, 885625), (5, 354250), (10, 177125), (13, 136250), (25, 70850), (26, 68125), (50, 35425), (65, 27250), (109, 16250), (125, 14170), (130, 13625), (218, 8125), (250, 7085), (325, 5450), (545, 3250), (625, 2834), (650, 2725), (1090, 1625), (1250, 1417)]