9879820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 21557088

約数和(自身を除く): 11677268

約数列:

[1, 2, 4, 5, 10, 20, 67, 73, 101, 134, 146, 202, 268, 292, 335, 365, 404, 505, 670, 730, 1010, 1340, 1460, 2020, 4891, 6767, 7373, 9782, 13534, 14746, 19564, 24455, 27068, 29492, 33835, 36865, 48910, 67670, 73730, 97820, 135340, 147460, 493991, 987982, 1975964, 2469955, 4939910, 9879820]

約数ペア:

[(1, 9879820), (2, 4939910), (4, 2469955), (5, 1975964), (10, 987982), (20, 493991), (67, 147460), (73, 135340), (101, 97820), (134, 73730), (146, 67670), (202, 48910), (268, 36865), (292, 33835), (335, 29492), (365, 27068), (404, 24455), (505, 19564), (670, 14746), (730, 13534), (1010, 9782), (1340, 7373), (1460, 6767), (2020, 4891)]