89910800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:385

約数の個数: 120

約数和(自身を含む): 249644736

約数和(自身を除く): 159733936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 163, 175, 197, 200, 280, 326, 350, 394, 400, 560, 652, 700, 788, 815, 985, 1141, 1304, 1379, 1400, 1576, 1630, 1970, 2282, 2608, 2758, 2800, 3152, 3260, 3940, 4075, 4564, 4925, 5516, 5705, 6520, 6895, 7880, 8150, 9128, 9850, 11032, 11410, 13040, 13790, 15760, 16300, 18256, 19700, 22064, 22820, 27580, 28525, 32111, 32600, 34475, 39400, 45640, 55160, 57050, 64222, 65200, 68950, 78800, 91280, 110320, 114100, 128444, 137900, 160555, 224777, 228200, 256888, 275800, 321110, 449554, 456400, 513776, 551600, 642220, 802775, 899108, 1123885, 1284440, 1605550, 1798216, 2247770, 2568880, 3211100, 3596432, 4495540, 5619425, 6422200, 8991080, 11238850, 12844400, 17982160, 22477700, 44955400, 89910800]

約数ペア:

[(1, 89910800), (2, 44955400), (4, 22477700), (5, 17982160), (7, 12844400), (8, 11238850), (10, 8991080), (14, 6422200), (16, 5619425), (20, 4495540), (25, 3596432), (28, 3211100), (35, 2568880), (40, 2247770), (50, 1798216), (56, 1605550), (70, 1284440), (80, 1123885), (100, 899108), (112, 802775), (140, 642220), (163, 551600), (175, 513776), (197, 456400), (200, 449554), (280, 321110), (326, 275800), (350, 256888), (394, 228200), (400, 224777), (560, 160555), (652, 137900), (700, 128444), (788, 114100), (815, 110320), (985, 91280), (1141, 78800), (1304, 68950), (1379, 65200), (1400, 64222), (1576, 57050), (1630, 55160), (1970, 45640), (2282, 39400), (2608, 34475), (2758, 32600), (2800, 32111), (3152, 28525), (3260, 27580), (3940, 22820), (4075, 22064), (4564, 19700), (4925, 18256), (5516, 16300), (5705, 15760), (6520, 13790), (6895, 13040), (7880, 11410), (8150, 11032), (9128, 9850)]