118337720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 275425920

約数和(自身を除く): 157088200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 107, 172, 214, 215, 344, 428, 430, 535, 643, 856, 860, 1070, 1286, 1720, 2140, 2572, 3215, 4280, 4601, 5144, 6430, 9202, 12860, 18404, 23005, 25720, 27649, 36808, 46010, 55298, 68801, 92020, 110596, 137602, 138245, 184040, 221192, 275204, 276490, 344005, 550408, 552980, 688010, 1105960, 1376020, 2752040, 2958443, 5916886, 11833772, 14792215, 23667544, 29584430, 59168860, 118337720]

約数ペア:

[(1, 118337720), (2, 59168860), (4, 29584430), (5, 23667544), (8, 14792215), (10, 11833772), (20, 5916886), (40, 2958443), (43, 2752040), (86, 1376020), (107, 1105960), (172, 688010), (214, 552980), (215, 550408), (344, 344005), (428, 276490), (430, 275204), (535, 221192), (643, 184040), (856, 138245), (860, 137602), (1070, 110596), (1286, 92020), (1720, 68801), (2140, 55298), (2572, 46010), (3215, 36808), (4280, 27649), (4601, 25720), (5144, 23005), (6430, 18404), (9202, 12860)]