2185540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 5346432

約数和(自身を除く): 3160892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 233, 268, 335, 466, 469, 670, 932, 938, 1165, 1340, 1631, 1876, 2330, 2345, 3262, 4660, 4690, 6524, 8155, 9380, 15611, 16310, 31222, 32620, 62444, 78055, 109277, 156110, 218554, 312220, 437108, 546385, 1092770, 2185540]

約数ペア:

[(1, 2185540), (2, 1092770), (4, 546385), (5, 437108), (7, 312220), (10, 218554), (14, 156110), (20, 109277), (28, 78055), (35, 62444), (67, 32620), (70, 31222), (134, 16310), (140, 15611), (233, 9380), (268, 8155), (335, 6524), (466, 4690), (469, 4660), (670, 3262), (932, 2345), (938, 2330), (1165, 1876), (1340, 1631)]