1965460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 4798080

約数和(自身を除く): 2832620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 139, 140, 202, 278, 404, 505, 556, 695, 707, 973, 1010, 1390, 1414, 1946, 2020, 2780, 2828, 3535, 3892, 4865, 7070, 9730, 14039, 14140, 19460, 28078, 56156, 70195, 98273, 140390, 196546, 280780, 393092, 491365, 982730, 1965460]

約数ペア:

[(1, 1965460), (2, 982730), (4, 491365), (5, 393092), (7, 280780), (10, 196546), (14, 140390), (20, 98273), (28, 70195), (35, 56156), (70, 28078), (101, 19460), (139, 14140), (140, 14039), (202, 9730), (278, 7070), (404, 4865), (505, 3892), (556, 3535), (695, 2828), (707, 2780), (973, 2020), (1010, 1946), (1390, 1414)]