890600

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 2133420

約数和(自身を除く): 1242820

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 73, 100, 122, 146, 200, 244, 292, 305, 365, 488, 584, 610, 730, 1220, 1460, 1525, 1825, 2440, 2920, 3050, 3650, 4453, 6100, 7300, 8906, 12200, 14600, 17812, 22265, 35624, 44530, 89060, 111325, 178120, 222650, 445300, 890600]

約数ペア:

[(1, 890600), (2, 445300), (4, 222650), (5, 178120), (8, 111325), (10, 89060), (20, 44530), (25, 35624), (40, 22265), (50, 17812), (61, 14600), (73, 12200), (100, 8906), (122, 7300), (146, 6100), (200, 4453), (244, 3650), (292, 3050), (305, 2920), (365, 2440), (488, 1825), (584, 1525), (610, 1460), (730, 1220)]