1444000

素因数分解:

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

素因数の和:63

約数の個数: 72

約数和(自身を含む): 3744468

約数和(自身を除く): 2300468

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 125, 152, 160, 190, 200, 250, 304, 361, 380, 400, 475, 500, 608, 722, 760, 800, 950, 1000, 1444, 1520, 1805, 1900, 2000, 2375, 2888, 3040, 3610, 3800, 4000, 4750, 5776, 7220, 7600, 9025, 9500, 11552, 14440, 15200, 18050, 19000, 28880, 36100, 38000, 45125, 57760, 72200, 76000, 90250, 144400, 180500, 288800, 361000, 722000, 1444000]

約数ペア:

[(1, 1444000), (2, 722000), (4, 361000), (5, 288800), (8, 180500), (10, 144400), (16, 90250), (19, 76000), (20, 72200), (25, 57760), (32, 45125), (38, 38000), (40, 36100), (50, 28880), (76, 19000), (80, 18050), (95, 15200), (100, 14440), (125, 11552), (152, 9500), (160, 9025), (190, 7600), (200, 7220), (250, 5776), (304, 4750), (361, 4000), (380, 3800), (400, 3610), (475, 3040), (500, 2888), (608, 2375), (722, 2000), (760, 1900), (800, 1805), (950, 1520), (1000, 1444)]