1394291240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{477497}}^1$

素因数の和:477581

約数の個数: 32

約数和(自身を含む): 3180136680

約数和(自身を除く): 1785845440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 477497, 954994, 1909988, 2387485, 3819976, 4774970, 9549940, 19099880, 34857281, 69714562, 139429124, 174286405, 278858248, 348572810, 697145620, 1394291240]

約数ペア:

[(1, 1394291240), (2, 697145620), (4, 348572810), (5, 278858248), (8, 174286405), (10, 139429124), (20, 69714562), (40, 34857281), (73, 19099880), (146, 9549940), (292, 4774970), (365, 3819976), (584, 2387485), (730, 1909988), (1460, 954994), (2920, 477497)]