2019657475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{631}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 2787393024

約数和(自身を除く): 767735549

約数列:

[1, 5, 11, 25, 55, 103, 113, 275, 515, 565, 631, 1133, 1243, 2575, 2825, 3155, 5665, 6215, 6941, 11639, 15775, 28325, 31075, 34705, 58195, 64993, 71303, 128029, 173525, 290975, 324965, 356515, 640145, 714923, 784333, 1624825, 1782575, 3200725, 3574615, 3921665, 7344209, 17873075, 19608325, 36721045, 80786299, 183605225, 403931495, 2019657475]

約数ペア:

[(1, 2019657475), (5, 403931495), (11, 183605225), (25, 80786299), (55, 36721045), (103, 19608325), (113, 17873075), (275, 7344209), (515, 3921665), (565, 3574615), (631, 3200725), (1133, 1782575), (1243, 1624825), (2575, 784333), (2825, 714923), (3155, 640145), (5665, 356515), (6215, 324965), (6941, 290975), (11639, 173525), (15775, 128029), (28325, 71303), (31075, 64993), (34705, 58195)]