280147490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{6073}}^1$

素因数の和:6746

約数の個数: 32

約数和(自身を含む): 577272960

約数和(自身を除く): 297125470

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 659, 1318, 3295, 4613, 6073, 6590, 9226, 12146, 23065, 30365, 42511, 46130, 60730, 85022, 212555, 425110, 4002107, 8004214, 20010535, 28014749, 40021070, 56029498, 140073745, 280147490]

約数ペア:

[(1, 280147490), (2, 140073745), (5, 56029498), (7, 40021070), (10, 28014749), (14, 20010535), (35, 8004214), (70, 4002107), (659, 425110), (1318, 212555), (3295, 85022), (4613, 60730), (6073, 46130), (6590, 42511), (9226, 30365), (12146, 23065)]