231520900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{178093}}^1$

素因数の和:178120

約数の個数: 36

約数和(自身を含む): 541049572

約数和(自身を除く): 309528672

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 178093, 356186, 712372, 890465, 1780930, 2315209, 3561860, 4452325, 4630418, 8904650, 9260836, 11576045, 17809300, 23152090, 46304180, 57880225, 115760450, 231520900]

約数ペア:

[(1, 231520900), (2, 115760450), (4, 57880225), (5, 46304180), (10, 23152090), (13, 17809300), (20, 11576045), (25, 9260836), (26, 8904650), (50, 4630418), (52, 4452325), (65, 3561860), (100, 2315209), (130, 1780930), (260, 890465), (325, 712372), (650, 356186), (1300, 178093)]