917378420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{10903}}^1$

素因数の和:11520

約数の個数: 48

約数和(自身を含む): 2205573888

約数和(自身を除く): 1288195468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 601, 1202, 2404, 3005, 4207, 6010, 8414, 10903, 12020, 16828, 21035, 21806, 42070, 43612, 54515, 76321, 84140, 109030, 152642, 218060, 305284, 381605, 763210, 1526420, 6552703, 13105406, 26210812, 32763515, 45868921, 65527030, 91737842, 131054060, 183475684, 229344605, 458689210, 917378420]

約数ペア:

[(1, 917378420), (2, 458689210), (4, 229344605), (5, 183475684), (7, 131054060), (10, 91737842), (14, 65527030), (20, 45868921), (28, 32763515), (35, 26210812), (70, 13105406), (140, 6552703), (601, 1526420), (1202, 763210), (2404, 381605), (3005, 305284), (4207, 218060), (6010, 152642), (8414, 109030), (10903, 84140), (12020, 76321), (16828, 54515), (21035, 43612), (21806, 42070)]