478642000

素因数分解:

$2^4\times 5^3\times {\mathrm{89}}^1\times {\mathrm{2689}}^1$

素因数の和:2801

約数の個数: 80

約数和(自身を含む): 1170795600

約数和(自身を除く): 692153600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 125, 178, 200, 250, 356, 400, 445, 500, 712, 890, 1000, 1424, 1780, 2000, 2225, 2689, 3560, 4450, 5378, 7120, 8900, 10756, 11125, 13445, 17800, 21512, 22250, 26890, 35600, 43024, 44500, 53780, 67225, 89000, 107560, 134450, 178000, 215120, 239321, 268900, 336125, 478642, 537800, 672250, 957284, 1075600, 1196605, 1344500, 1914568, 2393210, 2689000, 3829136, 4786420, 5378000, 5983025, 9572840, 11966050, 19145680, 23932100, 29915125, 47864200, 59830250, 95728400, 119660500, 239321000, 478642000]

約数ペア:

[(1, 478642000), (2, 239321000), (4, 119660500), (5, 95728400), (8, 59830250), (10, 47864200), (16, 29915125), (20, 23932100), (25, 19145680), (40, 11966050), (50, 9572840), (80, 5983025), (89, 5378000), (100, 4786420), (125, 3829136), (178, 2689000), (200, 2393210), (250, 1914568), (356, 1344500), (400, 1196605), (445, 1075600), (500, 957284), (712, 672250), (890, 537800), (1000, 478642), (1424, 336125), (1780, 268900), (2000, 239321), (2225, 215120), (2689, 178000), (3560, 134450), (4450, 107560), (5378, 89000), (7120, 67225), (8900, 53780), (10756, 44500), (11125, 43024), (13445, 35600), (17800, 26890), (21512, 22250)]