28739210

素因数分解:

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

素因数の和:483

約数の個数: 32

約数和(自身を含む): 54734400

約数和(自身を除く): 25995190

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 419, 722, 838, 1805, 2095, 3610, 4190, 6859, 7961, 13718, 15922, 34295, 39805, 68590, 79610, 151259, 302518, 756295, 1512590, 2873921, 5747842, 14369605, 28739210]

約数ペア:

[(1, 28739210), (2, 14369605), (5, 5747842), (10, 2873921), (19, 1512590), (38, 756295), (95, 302518), (190, 151259), (361, 79610), (419, 68590), (722, 39805), (838, 34295), (1805, 15922), (2095, 13718), (3610, 7961), (4190, 6859)]