57478420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^3\times {\mathrm{419}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 127713600

約数和(自身を除く): 70235180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 419, 722, 838, 1444, 1676, 1805, 2095, 3610, 4190, 6859, 7220, 7961, 8380, 13718, 15922, 27436, 31844, 34295, 39805, 68590, 79610, 137180, 151259, 159220, 302518, 605036, 756295, 1512590, 2873921, 3025180, 5747842, 11495684, 14369605, 28739210, 57478420]

約数ペア:

[(1, 57478420), (2, 28739210), (4, 14369605), (5, 11495684), (10, 5747842), (19, 3025180), (20, 2873921), (38, 1512590), (76, 756295), (95, 605036), (190, 302518), (361, 159220), (380, 151259), (419, 137180), (722, 79610), (838, 68590), (1444, 39805), (1676, 34295), (1805, 31844), (2095, 27436), (3610, 15922), (4190, 13718), (6859, 8380), (7220, 7961)]