248694550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7219}}^1$

素因数の和:7297

約数の個数: 48

約数和(自身を含む): 507623760

約数和(自身を除く): 258929210

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 265, 325, 530, 650, 689, 1325, 1378, 2650, 3445, 6890, 7219, 14438, 17225, 34450, 36095, 72190, 93847, 180475, 187694, 360950, 382607, 469235, 765214, 938470, 1913035, 2346175, 3826070, 4692350, 4973891, 9565175, 9947782, 19130350, 24869455, 49738910, 124347275, 248694550]

約数ペア:

[(1, 248694550), (2, 124347275), (5, 49738910), (10, 24869455), (13, 19130350), (25, 9947782), (26, 9565175), (50, 4973891), (53, 4692350), (65, 3826070), (106, 2346175), (130, 1913035), (265, 938470), (325, 765214), (530, 469235), (650, 382607), (689, 360950), (1325, 187694), (1378, 180475), (2650, 93847), (3445, 72190), (6890, 36095), (7219, 34450), (14438, 17225)]