228641000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:484

約数の個数: 128

約数和(自身を含む): 620006400

約数和(自身を除く): 391365400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 89, 100, 125, 140, 175, 178, 200, 250, 280, 350, 356, 367, 445, 500, 623, 700, 712, 734, 875, 890, 1000, 1246, 1400, 1468, 1750, 1780, 1835, 2225, 2492, 2569, 2936, 3115, 3500, 3560, 3670, 4450, 4984, 5138, 6230, 7000, 7340, 8900, 9175, 10276, 11125, 12460, 12845, 14680, 15575, 17800, 18350, 20552, 22250, 24920, 25690, 31150, 32663, 36700, 44500, 45875, 51380, 62300, 64225, 65326, 73400, 77875, 89000, 91750, 102760, 124600, 128450, 130652, 155750, 163315, 183500, 228641, 256900, 261304, 311500, 321125, 326630, 367000, 457282, 513800, 623000, 642250, 653260, 816575, 914564, 1143205, 1284500, 1306520, 1633150, 1829128, 2286410, 2569000, 3266300, 4082875, 4572820, 5716025, 6532600, 8165750, 9145640, 11432050, 16331500, 22864100, 28580125, 32663000, 45728200, 57160250, 114320500, 228641000]

約数ペア:

[(1, 228641000), (2, 114320500), (4, 57160250), (5, 45728200), (7, 32663000), (8, 28580125), (10, 22864100), (14, 16331500), (20, 11432050), (25, 9145640), (28, 8165750), (35, 6532600), (40, 5716025), (50, 4572820), (56, 4082875), (70, 3266300), (89, 2569000), (100, 2286410), (125, 1829128), (140, 1633150), (175, 1306520), (178, 1284500), (200, 1143205), (250, 914564), (280, 816575), (350, 653260), (356, 642250), (367, 623000), (445, 513800), (500, 457282), (623, 367000), (700, 326630), (712, 321125), (734, 311500), (875, 261304), (890, 256900), (1000, 228641), (1246, 183500), (1400, 163315), (1468, 155750), (1750, 130652), (1780, 128450), (1835, 124600), (2225, 102760), (2492, 91750), (2569, 89000), (2936, 77875), (3115, 73400), (3500, 65326), (3560, 64225), (3670, 62300), (4450, 51380), (4984, 45875), (5138, 44500), (6230, 36700), (7000, 32663), (7340, 31150), (8900, 25690), (9175, 24920), (10276, 22250), (11125, 20552), (12460, 18350), (12845, 17800), (14680, 15575)]