119952020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{79}}^2$

素因数の和:229

約数の個数: 54

約数和(自身を含む): 263623626

約数和(自身を除く): 143671606

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 961, 1580, 1922, 2449, 3844, 4805, 4898, 6241, 9610, 9796, 12245, 12482, 19220, 24490, 24964, 31205, 48980, 62410, 75919, 124820, 151838, 193471, 303676, 379595, 386942, 759190, 773884, 967355, 1518380, 1934710, 3869420, 5997601, 11995202, 23990404, 29988005, 59976010, 119952020]

約数ペア:

[(1, 119952020), (2, 59976010), (4, 29988005), (5, 23990404), (10, 11995202), (20, 5997601), (31, 3869420), (62, 1934710), (79, 1518380), (124, 967355), (155, 773884), (158, 759190), (310, 386942), (316, 379595), (395, 303676), (620, 193471), (790, 151838), (961, 124820), (1580, 75919), (1922, 62410), (2449, 48980), (3844, 31205), (4805, 24964), (4898, 24490), (6241, 19220), (9610, 12482), (9796, 12245)]