391782020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{9551}}^1$

素因数の和:9860

約数の個数: 48

約数和(自身を含む): 943584768

約数和(自身を除く): 551802748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 293, 586, 1172, 1465, 2051, 2930, 4102, 5860, 8204, 9551, 10255, 19102, 20510, 38204, 41020, 47755, 66857, 95510, 133714, 191020, 267428, 334285, 668570, 1337140, 2798443, 5596886, 11193772, 13992215, 19589101, 27984430, 39178202, 55968860, 78356404, 97945505, 195891010, 391782020]

約数ペア:

[(1, 391782020), (2, 195891010), (4, 97945505), (5, 78356404), (7, 55968860), (10, 39178202), (14, 27984430), (20, 19589101), (28, 13992215), (35, 11193772), (70, 5596886), (140, 2798443), (293, 1337140), (586, 668570), (1172, 334285), (1465, 267428), (2051, 191020), (2930, 133714), (4102, 95510), (5860, 66857), (8204, 47755), (9551, 41020), (10255, 38204), (19102, 20510)]