1849820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 4525248

約数和(自身を除く): 2675428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 181, 292, 362, 365, 511, 724, 730, 905, 1022, 1267, 1460, 1810, 2044, 2534, 2555, 3620, 5068, 5110, 6335, 10220, 12670, 13213, 25340, 26426, 52852, 66065, 92491, 132130, 184982, 264260, 369964, 462455, 924910, 1849820]

約数ペア:

[(1, 1849820), (2, 924910), (4, 462455), (5, 369964), (7, 264260), (10, 184982), (14, 132130), (20, 92491), (28, 66065), (35, 52852), (70, 26426), (73, 25340), (140, 13213), (146, 12670), (181, 10220), (292, 6335), (362, 5110), (365, 5068), (511, 3620), (724, 2555), (730, 2534), (905, 2044), (1022, 1810), (1267, 1460)]