549250

素因数分解:

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

素因数の和:56

約数の個数: 32

約数和(自身を含む): 1113840

約数和(自身を除く): 564590

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 650, 845, 1625, 1690, 2197, 3250, 4225, 4394, 8450, 10985, 21125, 21970, 42250, 54925, 109850, 274625, 549250]

約数ペア:

[(1, 549250), (2, 274625), (5, 109850), (10, 54925), (13, 42250), (25, 21970), (26, 21125), (50, 10985), (65, 8450), (125, 4394), (130, 4225), (169, 3250), (250, 2197), (325, 1690), (338, 1625), (650, 845)]