28013300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{5717}}^1$

素因数の和:5745

約数の個数: 54

約数和(自身を含む): 70725942

約数和(自身を除く): 42712642

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, 5717, 11434, 22868, 28585, 40019, 57170, 80038, 114340, 142925, 160076, 200095, 280133, 285850, 400190, 560266, 571700, 800380, 1000475, 1120532, 1400665, 2000950, 2801330, 4001900, 5602660, 7003325, 14006650, 28013300]

約数ペア:

[(1, 28013300), (2, 14006650), (4, 7003325), (5, 5602660), (7, 4001900), (10, 2801330), (14, 2000950), (20, 1400665), (25, 1120532), (28, 1000475), (35, 800380), (49, 571700), (50, 560266), (70, 400190), (98, 285850), (100, 280133), (140, 200095), (175, 160076), (196, 142925), (245, 114340), (350, 80038), (490, 57170), (700, 40019), (980, 28585), (1225, 22868), (2450, 11434), (4900, 5717)]