201284000

素因数分解:

$2^5\times 5^3\times {\mathrm{50321}}^1$

素因数の和:50346

約数の個数: 48

約数和(自身を含む): 494564616

約数和(自身を除く): 293280616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 50321, 100642, 201284, 251605, 402568, 503210, 805136, 1006420, 1258025, 1610272, 2012840, 2516050, 4025680, 5032100, 6290125, 8051360, 10064200, 12580250, 20128400, 25160500, 40256800, 50321000, 100642000, 201284000]

約数ペア:

[(1, 201284000), (2, 100642000), (4, 50321000), (5, 40256800), (8, 25160500), (10, 20128400), (16, 12580250), (20, 10064200), (25, 8051360), (32, 6290125), (40, 5032100), (50, 4025680), (80, 2516050), (100, 2012840), (125, 1610272), (160, 1258025), (200, 1006420), (250, 805136), (400, 503210), (500, 402568), (800, 251605), (1000, 201284), (2000, 100642), (4000, 50321)]