3930920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 10281600

約数和(自身を除く): 6350680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 139, 140, 202, 278, 280, 404, 505, 556, 695, 707, 808, 973, 1010, 1112, 1390, 1414, 1946, 2020, 2780, 2828, 3535, 3892, 4040, 4865, 5560, 5656, 7070, 7784, 9730, 14039, 14140, 19460, 28078, 28280, 38920, 56156, 70195, 98273, 112312, 140390, 196546, 280780, 393092, 491365, 561560, 786184, 982730, 1965460, 3930920]

約数ペア:

[(1, 3930920), (2, 1965460), (4, 982730), (5, 786184), (7, 561560), (8, 491365), (10, 393092), (14, 280780), (20, 196546), (28, 140390), (35, 112312), (40, 98273), (56, 70195), (70, 56156), (101, 38920), (139, 28280), (140, 28078), (202, 19460), (278, 14140), (280, 14039), (404, 9730), (505, 7784), (556, 7070), (695, 5656), (707, 5560), (808, 4865), (973, 4040), (1010, 3892), (1112, 3535), (1390, 2828), (1414, 2780), (1946, 2020)]