237981520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{424967}}^1$

素因数の和:424987

約数の個数: 40

約数和(自身を含む): 632352384

約数和(自身を除く): 394370864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 424967, 849934, 1699868, 2124835, 2974769, 3399736, 4249670, 5949538, 6799472, 8499340, 11899076, 14873845, 16998680, 23798152, 29747690, 33997360, 47596304, 59495380, 118990760, 237981520]

約数ペア:

[(1, 237981520), (2, 118990760), (4, 59495380), (5, 47596304), (7, 33997360), (8, 29747690), (10, 23798152), (14, 16998680), (16, 14873845), (20, 11899076), (28, 8499340), (35, 6799472), (40, 5949538), (56, 4249670), (70, 3399736), (80, 2974769), (112, 2124835), (140, 1699868), (280, 849934), (560, 424967)]