89568220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1303}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 215566848

約数和(自身を除く): 125998628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 982, 1303, 1964, 2455, 2606, 3437, 4910, 5212, 6515, 6874, 9121, 9820, 13030, 13748, 17185, 18242, 26060, 34370, 36484, 45605, 68740, 91210, 182420, 639773, 1279546, 2559092, 3198865, 4478411, 6397730, 8956822, 12795460, 17913644, 22392055, 44784110, 89568220]

約数ペア:

[(1, 89568220), (2, 44784110), (4, 22392055), (5, 17913644), (7, 12795460), (10, 8956822), (14, 6397730), (20, 4478411), (28, 3198865), (35, 2559092), (70, 1279546), (140, 639773), (491, 182420), (982, 91210), (1303, 68740), (1964, 45605), (2455, 36484), (2606, 34370), (3437, 26060), (4910, 18242), (5212, 17185), (6515, 13748), (6874, 13030), (9121, 9820)]