402983200

素因数分解:

$2^5\times 5^2\times {\mathrm{197}}^1\times {\mathrm{2557}}^1$

素因数の和:2774

約数の個数: 72

約数和(自身を含む): 989163252

約数和(自身を除く): 586180052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 197, 200, 394, 400, 788, 800, 985, 1576, 1970, 2557, 3152, 3940, 4925, 5114, 6304, 7880, 9850, 10228, 12785, 15760, 19700, 20456, 25570, 31520, 39400, 40912, 51140, 63925, 78800, 81824, 102280, 127850, 157600, 204560, 255700, 409120, 503729, 511400, 1007458, 1022800, 2014916, 2045600, 2518645, 4029832, 5037290, 8059664, 10074580, 12593225, 16119328, 20149160, 25186450, 40298320, 50372900, 80596640, 100745800, 201491600, 402983200]

約数ペア:

[(1, 402983200), (2, 201491600), (4, 100745800), (5, 80596640), (8, 50372900), (10, 40298320), (16, 25186450), (20, 20149160), (25, 16119328), (32, 12593225), (40, 10074580), (50, 8059664), (80, 5037290), (100, 4029832), (160, 2518645), (197, 2045600), (200, 2014916), (394, 1022800), (400, 1007458), (788, 511400), (800, 503729), (985, 409120), (1576, 255700), (1970, 204560), (2557, 157600), (3152, 127850), (3940, 102280), (4925, 81824), (5114, 78800), (6304, 63925), (7880, 51140), (9850, 40912), (10228, 39400), (12785, 31520), (15760, 25570), (19700, 20456)]