419020

素因数分解:

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

素因数の和:130

約数の個数: 48

約数和(自身を含む): 1044288

約数和(自身を除く): 625268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 73, 82, 140, 146, 164, 205, 287, 292, 365, 410, 511, 574, 730, 820, 1022, 1148, 1435, 1460, 2044, 2555, 2870, 2993, 5110, 5740, 5986, 10220, 11972, 14965, 20951, 29930, 41902, 59860, 83804, 104755, 209510, 419020]

約数ペア:

[(1, 419020), (2, 209510), (4, 104755), (5, 83804), (7, 59860), (10, 41902), (14, 29930), (20, 20951), (28, 14965), (35, 11972), (41, 10220), (70, 5986), (73, 5740), (82, 5110), (140, 2993), (146, 2870), (164, 2555), (205, 2044), (287, 1460), (292, 1435), (365, 1148), (410, 1022), (511, 820), (574, 730)]