12200020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 30451680

約数和(自身を除く): 18251660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 211, 236, 245, 295, 413, 422, 490, 590, 826, 844, 980, 1055, 1180, 1477, 1652, 2065, 2110, 2891, 2954, 4130, 4220, 5782, 5908, 7385, 8260, 10339, 11564, 12449, 14455, 14770, 20678, 24898, 28910, 29540, 41356, 49796, 51695, 57820, 62245, 87143, 103390, 124490, 174286, 206780, 248980, 348572, 435715, 610001, 871430, 1220002, 1742860, 2440004, 3050005, 6100010, 12200020]

約数ペア:

[(1, 12200020), (2, 6100010), (4, 3050005), (5, 2440004), (7, 1742860), (10, 1220002), (14, 871430), (20, 610001), (28, 435715), (35, 348572), (49, 248980), (59, 206780), (70, 174286), (98, 124490), (118, 103390), (140, 87143), (196, 62245), (211, 57820), (236, 51695), (245, 49796), (295, 41356), (413, 29540), (422, 28910), (490, 24898), (590, 20678), (826, 14770), (844, 14455), (980, 12449), (1055, 11564), (1180, 10339), (1477, 8260), (1652, 7385), (2065, 5908), (2110, 5782), (2891, 4220), (2954, 4130)]