205699400

素因数分解:

$2^3\times 5^2\times {\mathrm{73}}^2\times {\mathrm{193}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 487404630

約数和(自身を除く): 281705230

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 146, 193, 200, 292, 365, 386, 584, 730, 772, 965, 1460, 1544, 1825, 1930, 2920, 3650, 3860, 4825, 5329, 7300, 7720, 9650, 10658, 14089, 14600, 19300, 21316, 26645, 28178, 38600, 42632, 53290, 56356, 70445, 106580, 112712, 133225, 140890, 213160, 266450, 281780, 352225, 532900, 563560, 704450, 1028497, 1065800, 1408900, 2056994, 2817800, 4113988, 5142485, 8227976, 10284970, 20569940, 25712425, 41139880, 51424850, 102849700, 205699400]

約数ペア:

[(1, 205699400), (2, 102849700), (4, 51424850), (5, 41139880), (8, 25712425), (10, 20569940), (20, 10284970), (25, 8227976), (40, 5142485), (50, 4113988), (73, 2817800), (100, 2056994), (146, 1408900), (193, 1065800), (200, 1028497), (292, 704450), (365, 563560), (386, 532900), (584, 352225), (730, 281780), (772, 266450), (965, 213160), (1460, 140890), (1544, 133225), (1825, 112712), (1930, 106580), (2920, 70445), (3650, 56356), (3860, 53290), (4825, 42632), (5329, 38600), (7300, 28178), (7720, 26645), (9650, 21316), (10658, 19300), (14089, 14600)]