2516920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 6609600

約数和(自身を除く): 4092680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 101, 140, 178, 202, 280, 356, 404, 445, 505, 623, 707, 712, 808, 890, 1010, 1246, 1414, 1780, 2020, 2492, 2828, 3115, 3535, 3560, 4040, 4984, 5656, 6230, 7070, 8989, 12460, 14140, 17978, 24920, 28280, 35956, 44945, 62923, 71912, 89890, 125846, 179780, 251692, 314615, 359560, 503384, 629230, 1258460, 2516920]

約数ペア:

[(1, 2516920), (2, 1258460), (4, 629230), (5, 503384), (7, 359560), (8, 314615), (10, 251692), (14, 179780), (20, 125846), (28, 89890), (35, 71912), (40, 62923), (56, 44945), (70, 35956), (89, 28280), (101, 24920), (140, 17978), (178, 14140), (202, 12460), (280, 8989), (356, 7070), (404, 6230), (445, 5656), (505, 4984), (623, 4040), (707, 3560), (712, 3535), (808, 3115), (890, 2828), (1010, 2492), (1246, 2020), (1414, 1780)]