901486000

素因数分解:

$2^4\times 5^3\times {\mathrm{643}}^1\times {\mathrm{701}}^1$

素因数の和:1367

約数の個数: 80

約数和(自身を含む): 2186297568

約数和(自身を除く): 1284811568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 643, 701, 1000, 1286, 1402, 2000, 2572, 2804, 3215, 3505, 5144, 5608, 6430, 7010, 10288, 11216, 12860, 14020, 16075, 17525, 25720, 28040, 32150, 35050, 51440, 56080, 64300, 70100, 80375, 87625, 128600, 140200, 160750, 175250, 257200, 280400, 321500, 350500, 450743, 643000, 701000, 901486, 1286000, 1402000, 1802972, 2253715, 3605944, 4507430, 7211888, 9014860, 11268575, 18029720, 22537150, 36059440, 45074300, 56342875, 90148600, 112685750, 180297200, 225371500, 450743000, 901486000]

約数ペア:

[(1, 901486000), (2, 450743000), (4, 225371500), (5, 180297200), (8, 112685750), (10, 90148600), (16, 56342875), (20, 45074300), (25, 36059440), (40, 22537150), (50, 18029720), (80, 11268575), (100, 9014860), (125, 7211888), (200, 4507430), (250, 3605944), (400, 2253715), (500, 1802972), (643, 1402000), (701, 1286000), (1000, 901486), (1286, 701000), (1402, 643000), (2000, 450743), (2572, 350500), (2804, 321500), (3215, 280400), (3505, 257200), (5144, 175250), (5608, 160750), (6430, 140200), (7010, 128600), (10288, 87625), (11216, 80375), (12860, 70100), (14020, 64300), (16075, 56080), (17525, 51440), (25720, 35050), (28040, 32150)]