27721000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1499

約数の個数: 64

約数和(自身を含む): 68328000

約数和(自身を除く): 40607000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1459, 1900, 2375, 2918, 3800, 4750, 5836, 7295, 9500, 11672, 14590, 19000, 27721, 29180, 36475, 55442, 58360, 72950, 110884, 138605, 145900, 182375, 221768, 277210, 291800, 364750, 554420, 693025, 729500, 1108840, 1386050, 1459000, 2772100, 3465125, 5544200, 6930250, 13860500, 27721000]

約数ペア:

[(1, 27721000), (2, 13860500), (4, 6930250), (5, 5544200), (8, 3465125), (10, 2772100), (19, 1459000), (20, 1386050), (25, 1108840), (38, 729500), (40, 693025), (50, 554420), (76, 364750), (95, 291800), (100, 277210), (125, 221768), (152, 182375), (190, 145900), (200, 138605), (250, 110884), (380, 72950), (475, 58360), (500, 55442), (760, 36475), (950, 29180), (1000, 27721), (1459, 19000), (1900, 14590), (2375, 11672), (2918, 9500), (3800, 7295), (4750, 5836)]