978950000

素因数分解:

$2^4\times 5^5\times 7^1\times {\mathrm{2797}}^1$

素因数の和:2837

約数の個数: 120

約数和(自身を含む): 2710389024

約数和(自身を除く): 1731439024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 625, 700, 875, 1000, 1250, 1400, 1750, 2000, 2500, 2797, 2800, 3125, 3500, 4375, 5000, 5594, 6250, 7000, 8750, 10000, 11188, 12500, 13985, 14000, 17500, 19579, 21875, 22376, 25000, 27970, 35000, 39158, 43750, 44752, 50000, 55940, 69925, 70000, 78316, 87500, 97895, 111880, 139850, 156632, 175000, 195790, 223760, 279700, 313264, 349625, 350000, 391580, 489475, 559400, 699250, 783160, 978950, 1118800, 1398500, 1566320, 1748125, 1957900, 2447375, 2797000, 3496250, 3915800, 4894750, 5594000, 6992500, 7831600, 8740625, 9789500, 12236875, 13985000, 17481250, 19579000, 24473750, 27970000, 34962500, 39158000, 48947500, 61184375, 69925000, 97895000, 122368750, 139850000, 195790000, 244737500, 489475000, 978950000]

約数ペア:

[(1, 978950000), (2, 489475000), (4, 244737500), (5, 195790000), (7, 139850000), (8, 122368750), (10, 97895000), (14, 69925000), (16, 61184375), (20, 48947500), (25, 39158000), (28, 34962500), (35, 27970000), (40, 24473750), (50, 19579000), (56, 17481250), (70, 13985000), (80, 12236875), (100, 9789500), (112, 8740625), (125, 7831600), (140, 6992500), (175, 5594000), (200, 4894750), (250, 3915800), (280, 3496250), (350, 2797000), (400, 2447375), (500, 1957900), (560, 1748125), (625, 1566320), (700, 1398500), (875, 1118800), (1000, 978950), (1250, 783160), (1400, 699250), (1750, 559400), (2000, 489475), (2500, 391580), (2797, 350000), (2800, 349625), (3125, 313264), (3500, 279700), (4375, 223760), (5000, 195790), (5594, 175000), (6250, 156632), (7000, 139850), (8750, 111880), (10000, 97895), (11188, 87500), (12500, 78316), (13985, 70000), (14000, 69925), (17500, 55940), (19579, 50000), (21875, 44752), (22376, 43750), (25000, 39158), (27970, 35000)]