198866500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{8117}}^1$

素因数の和:8150

約数の個数: 72

約数和(自身を含む): 505296792

約数和(自身を除く): 306430292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 875, 980, 1225, 1750, 2450, 3500, 4900, 6125, 8117, 12250, 16234, 24500, 32468, 40585, 56819, 81170, 113638, 162340, 202925, 227276, 284095, 397733, 405850, 568190, 795466, 811700, 1014625, 1136380, 1420475, 1590932, 1988665, 2029250, 2840950, 3977330, 4058500, 5681900, 7102375, 7954660, 9943325, 14204750, 19886650, 28409500, 39773300, 49716625, 99433250, 198866500]

約数ペア:

[(1, 198866500), (2, 99433250), (4, 49716625), (5, 39773300), (7, 28409500), (10, 19886650), (14, 14204750), (20, 9943325), (25, 7954660), (28, 7102375), (35, 5681900), (49, 4058500), (50, 3977330), (70, 2840950), (98, 2029250), (100, 1988665), (125, 1590932), (140, 1420475), (175, 1136380), (196, 1014625), (245, 811700), (250, 795466), (350, 568190), (490, 405850), (500, 397733), (700, 284095), (875, 227276), (980, 202925), (1225, 162340), (1750, 113638), (2450, 81170), (3500, 56819), (4900, 40585), (6125, 32468), (8117, 24500), (12250, 16234)]