290401975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{631}}^1$

素因数の和:1131

約数の個数: 24

約数和(自身を含む): 370288800

約数和(自身を除く): 79886825

約数列:

[1, 5, 25, 41, 205, 449, 631, 1025, 2245, 3155, 11225, 15775, 18409, 25871, 92045, 129355, 283319, 460225, 646775, 1416595, 7082975, 11616079, 58080395, 290401975]

約数ペア:

[(1, 290401975), (5, 58080395), (25, 11616079), (41, 7082975), (205, 1416595), (449, 646775), (631, 460225), (1025, 283319), (2245, 129355), (3155, 92045), (11225, 25871), (15775, 18409)]