9920200

素因数分解:

$2^3\times 5^2\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 23274180

約数和(自身を除く): 13353980

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 193, 200, 257, 386, 514, 772, 965, 1028, 1285, 1544, 1930, 2056, 2570, 3860, 4825, 5140, 6425, 7720, 9650, 10280, 12850, 19300, 25700, 38600, 49601, 51400, 99202, 198404, 248005, 396808, 496010, 992020, 1240025, 1984040, 2480050, 4960100, 9920200]

約数ペア:

[(1, 9920200), (2, 4960100), (4, 2480050), (5, 1984040), (8, 1240025), (10, 992020), (20, 496010), (25, 396808), (40, 248005), (50, 198404), (100, 99202), (193, 51400), (200, 49601), (257, 38600), (386, 25700), (514, 19300), (772, 12850), (965, 10280), (1028, 9650), (1285, 7720), (1544, 6425), (1930, 5140), (2056, 4825), (2570, 3860)]