280120807820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{559369}}^1$

素因数の和:559472

約数の個数: 96

約数和(自身を含む): 695408784000

約数和(自身を除く): 415287976180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 343, 365, 490, 511, 686, 730, 980, 1022, 1372, 1460, 1715, 2044, 2555, 3430, 3577, 5110, 6860, 7154, 10220, 14308, 17885, 25039, 35770, 50078, 71540, 100156, 125195, 250390, 500780, 559369, 1118738, 2237476, 2796845, 3915583, 5593690, 7831166, 11187380, 15662332, 19577915, 27409081, 39155830, 40833937, 54818162, 78311660, 81667874, 109636324, 137045405, 163335748, 191863567, 204169685, 274090810, 285837559, 383727134, 408339370, 548181620, 571675118, 767454268, 816678740, 959317835, 1143350236, 1429187795, 1918635670, 2000862913, 2858375590, 3837271340, 4001725826, 5716751180, 8003451652, 10004314565, 14006040391, 20008629130, 28012080782, 40017258260, 56024161564, 70030201955, 140060403910, 280120807820]

約数ペア:

[(1, 280120807820), (2, 140060403910), (4, 70030201955), (5, 56024161564), (7, 40017258260), (10, 28012080782), (14, 20008629130), (20, 14006040391), (28, 10004314565), (35, 8003451652), (49, 5716751180), (70, 4001725826), (73, 3837271340), (98, 2858375590), (140, 2000862913), (146, 1918635670), (196, 1429187795), (245, 1143350236), (292, 959317835), (343, 816678740), (365, 767454268), (490, 571675118), (511, 548181620), (686, 408339370), (730, 383727134), (980, 285837559), (1022, 274090810), (1372, 204169685), (1460, 191863567), (1715, 163335748), (2044, 137045405), (2555, 109636324), (3430, 81667874), (3577, 78311660), (5110, 54818162), (6860, 40833937), (7154, 39155830), (10220, 27409081), (14308, 19577915), (17885, 15662332), (25039, 11187380), (35770, 7831166), (50078, 5593690), (71540, 3915583), (100156, 2796845), (125195, 2237476), (250390, 1118738), (500780, 559369)]