242589400

素因数分解:

$2^3\times 5^2\times {\mathrm{509}}^1\times {\mathrm{2383}}^1$

素因数の和:2908

約数の個数: 48

約数和(自身を含む): 565365600

約数和(自身を除く): 322776200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 509, 1018, 2036, 2383, 2545, 4072, 4766, 5090, 9532, 10180, 11915, 12725, 19064, 20360, 23830, 25450, 47660, 50900, 59575, 95320, 101800, 119150, 238300, 476600, 1212947, 2425894, 4851788, 6064735, 9703576, 12129470, 24258940, 30323675, 48517880, 60647350, 121294700, 242589400]

約数ペア:

[(1, 242589400), (2, 121294700), (4, 60647350), (5, 48517880), (8, 30323675), (10, 24258940), (20, 12129470), (25, 9703576), (40, 6064735), (50, 4851788), (100, 2425894), (200, 1212947), (509, 476600), (1018, 238300), (2036, 119150), (2383, 101800), (2545, 95320), (4072, 59575), (4766, 50900), (5090, 47660), (9532, 25450), (10180, 23830), (11915, 20360), (12725, 19064)]