1490440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5323}}^1$

素因数の和:5341

約数の個数: 32

約数和(自身を含む): 3833280

約数和(自身を除く): 2342840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5323, 10646, 21292, 26615, 37261, 42584, 53230, 74522, 106460, 149044, 186305, 212920, 298088, 372610, 745220, 1490440]

約数ペア:

[(1, 1490440), (2, 745220), (4, 372610), (5, 298088), (7, 212920), (8, 186305), (10, 149044), (14, 106460), (20, 74522), (28, 53230), (35, 42584), (40, 37261), (56, 26615), (70, 21292), (140, 10646), (280, 5323)]