20116308100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{727}}^1\times {\mathrm{5647}}^1$

素因数の和:6402

約数の個数: 108

約数和(自身を含む): 50858161536

約数和(自身を除く): 30741853436

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, 727, 980, 1225, 1454, 2450, 2908, 3635, 4900, 5089, 5647, 7270, 10178, 11294, 14540, 18175, 20356, 22588, 25445, 28235, 35623, 36350, 39529, 50890, 56470, 71246, 72700, 79058, 101780, 112940, 127225, 141175, 142492, 158116, 178115, 197645, 254450, 276703, 282350, 356230, 395290, 508900, 553406, 564700, 712460, 790580, 890575, 988225, 1106812, 1383515, 1781150, 1976450, 2767030, 3562300, 3952900, 4105369, 5534060, 6917575, 8210738, 13835150, 16421476, 20526845, 27670300, 28737583, 41053690, 57475166, 82107380, 102634225, 114950332, 143687915, 201163081, 205268450, 287375830, 402326162, 410536900, 574751660, 718439575, 804652324, 1005815405, 1436879150, 2011630810, 2873758300, 4023261620, 5029077025, 10058154050, 20116308100]

約数ペア:

[(1, 20116308100), (2, 10058154050), (4, 5029077025), (5, 4023261620), (7, 2873758300), (10, 2011630810), (14, 1436879150), (20, 1005815405), (25, 804652324), (28, 718439575), (35, 574751660), (49, 410536900), (50, 402326162), (70, 287375830), (98, 205268450), (100, 201163081), (140, 143687915), (175, 114950332), (196, 102634225), (245, 82107380), (350, 57475166), (490, 41053690), (700, 28737583), (727, 27670300), (980, 20526845), (1225, 16421476), (1454, 13835150), (2450, 8210738), (2908, 6917575), (3635, 5534060), (4900, 4105369), (5089, 3952900), (5647, 3562300), (7270, 2767030), (10178, 1976450), (11294, 1781150), (14540, 1383515), (18175, 1106812), (20356, 988225), (22588, 890575), (25445, 790580), (28235, 712460), (35623, 564700), (36350, 553406), (39529, 508900), (50890, 395290), (56470, 356230), (71246, 282350), (72700, 276703), (79058, 254450), (101780, 197645), (112940, 178115), (127225, 158116), (141175, 142492)]