11911000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 28622880

約数和(自身を除く): 16711880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 172, 200, 215, 250, 277, 344, 430, 500, 554, 860, 1000, 1075, 1108, 1385, 1720, 2150, 2216, 2770, 4300, 5375, 5540, 6925, 8600, 10750, 11080, 11911, 13850, 21500, 23822, 27700, 34625, 43000, 47644, 55400, 59555, 69250, 95288, 119110, 138500, 238220, 277000, 297775, 476440, 595550, 1191100, 1488875, 2382200, 2977750, 5955500, 11911000]

約数ペア:

[(1, 11911000), (2, 5955500), (4, 2977750), (5, 2382200), (8, 1488875), (10, 1191100), (20, 595550), (25, 476440), (40, 297775), (43, 277000), (50, 238220), (86, 138500), (100, 119110), (125, 95288), (172, 69250), (200, 59555), (215, 55400), (250, 47644), (277, 43000), (344, 34625), (430, 27700), (500, 23822), (554, 21500), (860, 13850), (1000, 11911), (1075, 11080), (1108, 10750), (1385, 8600), (1720, 6925), (2150, 5540), (2216, 5375), (2770, 4300)]