90251000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{12893}}^1$

素因数の和:12921

約数の個数: 64

約数和(自身を含む): 241375680

約数和(自身を除く): 151124680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 12893, 25786, 51572, 64465, 90251, 103144, 128930, 180502, 257860, 322325, 361004, 451255, 515720, 644650, 722008, 902510, 1289300, 1611625, 1805020, 2256275, 2578600, 3223250, 3610040, 4512550, 6446500, 9025100, 11281375, 12893000, 18050200, 22562750, 45125500, 90251000]

約数ペア:

[(1, 90251000), (2, 45125500), (4, 22562750), (5, 18050200), (7, 12893000), (8, 11281375), (10, 9025100), (14, 6446500), (20, 4512550), (25, 3610040), (28, 3223250), (35, 2578600), (40, 2256275), (50, 1805020), (56, 1611625), (70, 1289300), (100, 902510), (125, 722008), (140, 644650), (175, 515720), (200, 451255), (250, 361004), (280, 322325), (350, 257860), (500, 180502), (700, 128930), (875, 103144), (1000, 90251), (1400, 64465), (1750, 51572), (3500, 25786), (7000, 12893)]