20130743500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{821663}}^1$

素因数の和:821696

約数の個数: 72

約数和(自身を含む): 51143654016

約数和(自身を除く): 31012910516

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, 12250, 24500, 821663, 1643326, 3286652, 4108315, 5751641, 8216630, 11503282, 16433260, 20541575, 23006564, 28758205, 40261487, 41083150, 57516410, 80522974, 82166300, 102707875, 115032820, 143791025, 161045948, 201307435, 205415750, 287582050, 402614870, 410831500, 575164100, 718955125, 805229740, 1006537175, 1437910250, 2013074350, 2875820500, 4026148700, 5032685875, 10065371750, 20130743500]

約数ペア:

[(1, 20130743500), (2, 10065371750), (4, 5032685875), (5, 4026148700), (7, 2875820500), (10, 2013074350), (14, 1437910250), (20, 1006537175), (25, 805229740), (28, 718955125), (35, 575164100), (49, 410831500), (50, 402614870), (70, 287582050), (98, 205415750), (100, 201307435), (125, 161045948), (140, 143791025), (175, 115032820), (196, 102707875), (245, 82166300), (250, 80522974), (350, 57516410), (490, 41083150), (500, 40261487), (700, 28758205), (875, 23006564), (980, 20541575), (1225, 16433260), (1750, 11503282), (2450, 8216630), (3500, 5751641), (4900, 4108315), (6125, 3286652), (12250, 1643326), (24500, 821663)]