81354700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{16603}}^1$

素因数の和:16631

約数の個数: 54

約数和(自身を含む): 205374876

約数和(自身を除く): 124020176

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 16603, 33206, 66412, 83015, 116221, 166030, 232442, 332060, 415075, 464884, 581105, 813547, 830150, 1162210, 1627094, 1660300, 2324420, 2905525, 3254188, 4067735, 5811050, 8135470, 11622100, 16270940, 20338675, 40677350, 81354700]

約数ペア:

[(1, 81354700), (2, 40677350), (4, 20338675), (5, 16270940), (7, 11622100), (10, 8135470), (14, 5811050), (20, 4067735), (25, 3254188), (28, 2905525), (35, 2324420), (49, 1660300), (50, 1627094), (70, 1162210), (98, 830150), (100, 813547), (140, 581105), (175, 464884), (196, 415075), (245, 332060), (350, 232442), (490, 166030), (700, 116221), (980, 83015), (1225, 66412), (2450, 33206), (4900, 16603)]