7231900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5563}}^1$

素因数の和:5590

約数の個数: 36

約数和(自身を含む): 16903432

約数和(自身を除く): 9671532

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 5563, 11126, 22252, 27815, 55630, 72319, 111260, 139075, 144638, 278150, 289276, 361595, 556300, 723190, 1446380, 1807975, 3615950, 7231900]

約数ペア:

[(1, 7231900), (2, 3615950), (4, 1807975), (5, 1446380), (10, 723190), (13, 556300), (20, 361595), (25, 289276), (26, 278150), (50, 144638), (52, 139075), (65, 111260), (100, 72319), (130, 55630), (260, 27815), (325, 22252), (650, 11126), (1300, 5563)]