203395400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{78229}}^1$

素因数の和:78258

約数の個数: 48

約数和(自身を含む): 509277300

約数和(自身を除く): 305881900

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 78229, 156458, 312916, 391145, 625832, 782290, 1016977, 1564580, 1955725, 2033954, 3129160, 3911450, 4067908, 5084885, 7822900, 8135816, 10169770, 15645800, 20339540, 25424425, 40679080, 50848850, 101697700, 203395400]

約数ペア:

[(1, 203395400), (2, 101697700), (4, 50848850), (5, 40679080), (8, 25424425), (10, 20339540), (13, 15645800), (20, 10169770), (25, 8135816), (26, 7822900), (40, 5084885), (50, 4067908), (52, 3911450), (65, 3129160), (100, 2033954), (104, 1955725), (130, 1564580), (200, 1016977), (260, 782290), (325, 625832), (520, 391145), (650, 312916), (1300, 156458), (2600, 78229)]