81433100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{16619}}^1$

素因数の和:16647

約数の個数: 54

約数和(自身を含む): 205572780

約数和(自身を除く): 124139680

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, 16619, 33238, 66476, 83095, 116333, 166190, 232666, 332380, 415475, 465332, 581665, 814331, 830950, 1163330, 1628662, 1661900, 2326660, 2908325, 3257324, 4071655, 5816650, 8143310, 11633300, 16286620, 20358275, 40716550, 81433100]

約数ペア:

[(1, 81433100), (2, 40716550), (4, 20358275), (5, 16286620), (7, 11633300), (10, 8143310), (14, 5816650), (20, 4071655), (25, 3257324), (28, 2908325), (35, 2326660), (49, 1661900), (50, 1628662), (70, 1163330), (98, 830950), (100, 814331), (140, 581665), (175, 465332), (196, 415475), (245, 332380), (350, 232666), (490, 166190), (700, 116333), (980, 83095), (1225, 66476), (2450, 33238), (4900, 16619)]