1382500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{79}}^1$

素因数の和:110

約数の個数: 60

約数和(自身を含む): 3498880

約数和(自身を除く): 2116380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 125, 140, 158, 175, 250, 316, 350, 395, 500, 553, 625, 700, 790, 875, 1106, 1250, 1580, 1750, 1975, 2212, 2500, 2765, 3500, 3950, 4375, 5530, 7900, 8750, 9875, 11060, 13825, 17500, 19750, 27650, 39500, 49375, 55300, 69125, 98750, 138250, 197500, 276500, 345625, 691250, 1382500]

約数ペア:

[(1, 1382500), (2, 691250), (4, 345625), (5, 276500), (7, 197500), (10, 138250), (14, 98750), (20, 69125), (25, 55300), (28, 49375), (35, 39500), (50, 27650), (70, 19750), (79, 17500), (100, 13825), (125, 11060), (140, 9875), (158, 8750), (175, 7900), (250, 5530), (316, 4375), (350, 3950), (395, 3500), (500, 2765), (553, 2500), (625, 2212), (700, 1975), (790, 1750), (875, 1580), (1106, 1250)]