3148880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{5623}}^1$

素因数の和:5643

約数の個数: 40

約数和(自身を含む): 8368512

約数和(自身を除く): 5219632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 5623, 11246, 22492, 28115, 39361, 44984, 56230, 78722, 89968, 112460, 157444, 196805, 224920, 314888, 393610, 449840, 629776, 787220, 1574440, 3148880]

約数ペア:

[(1, 3148880), (2, 1574440), (4, 787220), (5, 629776), (7, 449840), (8, 393610), (10, 314888), (14, 224920), (16, 196805), (20, 157444), (28, 112460), (35, 89968), (40, 78722), (56, 56230), (70, 44984), (80, 39361), (112, 28115), (140, 22492), (280, 11246), (560, 5623)]