99102500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{809}}^1$

素因数の和:847

約数の個数: 90

約数和(自身を含む): 252411390

約数和(自身を除く): 153308890

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, 625, 700, 809, 875, 980, 1225, 1250, 1618, 1750, 2450, 2500, 3236, 3500, 4045, 4375, 4900, 5663, 6125, 8090, 8750, 11326, 12250, 16180, 17500, 20225, 22652, 24500, 28315, 30625, 39641, 40450, 56630, 61250, 79282, 80900, 101125, 113260, 122500, 141575, 158564, 198205, 202250, 283150, 396410, 404500, 505625, 566300, 707875, 792820, 991025, 1011250, 1415750, 1982050, 2022500, 2831500, 3539375, 3964100, 4955125, 7078750, 9910250, 14157500, 19820500, 24775625, 49551250, 99102500]

約数ペア:

[(1, 99102500), (2, 49551250), (4, 24775625), (5, 19820500), (7, 14157500), (10, 9910250), (14, 7078750), (20, 4955125), (25, 3964100), (28, 3539375), (35, 2831500), (49, 2022500), (50, 1982050), (70, 1415750), (98, 1011250), (100, 991025), (125, 792820), (140, 707875), (175, 566300), (196, 505625), (245, 404500), (250, 396410), (350, 283150), (490, 202250), (500, 198205), (625, 158564), (700, 141575), (809, 122500), (875, 113260), (980, 101125), (1225, 80900), (1250, 79282), (1618, 61250), (1750, 56630), (2450, 40450), (2500, 39641), (3236, 30625), (3500, 28315), (4045, 24500), (4375, 22652), (4900, 20225), (5663, 17500), (6125, 16180), (8090, 12250), (8750, 11326)]