255500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{73}}^1$

素因数の和:99

約数の個数: 48

約数和(自身を含む): 646464

約数和(自身を除く): 390964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 73, 100, 125, 140, 146, 175, 250, 292, 350, 365, 500, 511, 700, 730, 875, 1022, 1460, 1750, 1825, 2044, 2555, 3500, 3650, 5110, 7300, 9125, 10220, 12775, 18250, 25550, 36500, 51100, 63875, 127750, 255500]

約数ペア:

[(1, 255500), (2, 127750), (4, 63875), (5, 51100), (7, 36500), (10, 25550), (14, 18250), (20, 12775), (25, 10220), (28, 9125), (35, 7300), (50, 5110), (70, 3650), (73, 3500), (100, 2555), (125, 2044), (140, 1825), (146, 1750), (175, 1460), (250, 1022), (292, 875), (350, 730), (365, 700), (500, 511)]