8839400

素因数分解:

$2^3\times 5^2\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 20748300

約数和(自身を除く): 11908900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 193, 200, 229, 386, 458, 772, 916, 965, 1145, 1544, 1832, 1930, 2290, 3860, 4580, 4825, 5725, 7720, 9160, 9650, 11450, 19300, 22900, 38600, 44197, 45800, 88394, 176788, 220985, 353576, 441970, 883940, 1104925, 1767880, 2209850, 4419700, 8839400]

約数ペア:

[(1, 8839400), (2, 4419700), (4, 2209850), (5, 1767880), (8, 1104925), (10, 883940), (20, 441970), (25, 353576), (40, 220985), (50, 176788), (100, 88394), (193, 45800), (200, 44197), (229, 38600), (386, 22900), (458, 19300), (772, 11450), (916, 9650), (965, 9160), (1145, 7720), (1544, 5725), (1832, 4825), (1930, 4580), (2290, 3860)]