838040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 2237760

約数和(自身を除く): 1399720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 73, 82, 140, 146, 164, 205, 280, 287, 292, 328, 365, 410, 511, 574, 584, 730, 820, 1022, 1148, 1435, 1460, 1640, 2044, 2296, 2555, 2870, 2920, 2993, 4088, 5110, 5740, 5986, 10220, 11480, 11972, 14965, 20440, 20951, 23944, 29930, 41902, 59860, 83804, 104755, 119720, 167608, 209510, 419020, 838040]

約数ペア:

[(1, 838040), (2, 419020), (4, 209510), (5, 167608), (7, 119720), (8, 104755), (10, 83804), (14, 59860), (20, 41902), (28, 29930), (35, 23944), (40, 20951), (41, 20440), (56, 14965), (70, 11972), (73, 11480), (82, 10220), (140, 5986), (146, 5740), (164, 5110), (205, 4088), (280, 2993), (287, 2920), (292, 2870), (328, 2555), (365, 2296), (410, 2044), (511, 1640), (574, 1460), (584, 1435), (730, 1148), (820, 1022)]