217222000

素因数分解:

$2^4\times 5^3\times {\mathrm{313}}^1\times {\mathrm{347}}^1$

素因数の和:683

約数の個数: 80

約数和(自身を含む): 528439392

約数和(自身を除く): 311217392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 313, 347, 400, 500, 626, 694, 1000, 1252, 1388, 1565, 1735, 2000, 2504, 2776, 3130, 3470, 5008, 5552, 6260, 6940, 7825, 8675, 12520, 13880, 15650, 17350, 25040, 27760, 31300, 34700, 39125, 43375, 62600, 69400, 78250, 86750, 108611, 125200, 138800, 156500, 173500, 217222, 313000, 347000, 434444, 543055, 626000, 694000, 868888, 1086110, 1737776, 2172220, 2715275, 4344440, 5430550, 8688880, 10861100, 13576375, 21722200, 27152750, 43444400, 54305500, 108611000, 217222000]

約数ペア:

[(1, 217222000), (2, 108611000), (4, 54305500), (5, 43444400), (8, 27152750), (10, 21722200), (16, 13576375), (20, 10861100), (25, 8688880), (40, 5430550), (50, 4344440), (80, 2715275), (100, 2172220), (125, 1737776), (200, 1086110), (250, 868888), (313, 694000), (347, 626000), (400, 543055), (500, 434444), (626, 347000), (694, 313000), (1000, 217222), (1252, 173500), (1388, 156500), (1565, 138800), (1735, 125200), (2000, 108611), (2504, 86750), (2776, 78250), (3130, 69400), (3470, 62600), (5008, 43375), (5552, 39125), (6260, 34700), (6940, 31300), (7825, 27760), (8675, 25040), (12520, 17350), (13880, 15650)]