428523910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{1021}}^1$

素因数の和:1141

約数の個数: 48

約数和(自身を含む): 830395440

約数和(自身を除く): 401871530

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1021, 1786, 2042, 2209, 4418, 4465, 5105, 8930, 10210, 11045, 19399, 22090, 38798, 41971, 47987, 83942, 95974, 96995, 193990, 209855, 239935, 419710, 479870, 911753, 1823506, 2255389, 4510778, 4558765, 9117530, 11276945, 22553890, 42852391, 85704782, 214261955, 428523910]

約数ペア:

[(1, 428523910), (2, 214261955), (5, 85704782), (10, 42852391), (19, 22553890), (38, 11276945), (47, 9117530), (94, 4558765), (95, 4510778), (190, 2255389), (235, 1823506), (470, 911753), (893, 479870), (1021, 419710), (1786, 239935), (2042, 209855), (2209, 193990), (4418, 96995), (4465, 95974), (5105, 83942), (8930, 47987), (10210, 41971), (11045, 38798), (19399, 22090)]