2548420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 6209280

約数和(自身を除く): 3660860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 167, 218, 334, 436, 545, 668, 763, 835, 1090, 1169, 1526, 1670, 2180, 2338, 3052, 3340, 3815, 4676, 5845, 7630, 11690, 15260, 18203, 23380, 36406, 72812, 91015, 127421, 182030, 254842, 364060, 509684, 637105, 1274210, 2548420]

約数ペア:

[(1, 2548420), (2, 1274210), (4, 637105), (5, 509684), (7, 364060), (10, 254842), (14, 182030), (20, 127421), (28, 91015), (35, 72812), (70, 36406), (109, 23380), (140, 18203), (167, 15260), (218, 11690), (334, 7630), (436, 5845), (545, 4676), (668, 3815), (763, 3340), (835, 3052), (1090, 2338), (1169, 2180), (1526, 1670)]