2015139700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{411253}}^1$

素因数の和:411281

約数の個数: 54

約数和(自身を含む): 5086800726

約数和(自身を除く): 3071661026

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 411253, 822506, 1645012, 2056265, 2878771, 4112530, 5757542, 8225060, 10281325, 11515084, 14393855, 20151397, 20562650, 28787710, 40302794, 41125300, 57575420, 71969275, 80605588, 100756985, 143938550, 201513970, 287877100, 403027940, 503784925, 1007569850, 2015139700]

約数ペア:

[(1, 2015139700), (2, 1007569850), (4, 503784925), (5, 403027940), (7, 287877100), (10, 201513970), (14, 143938550), (20, 100756985), (25, 80605588), (28, 71969275), (35, 57575420), (49, 41125300), (50, 40302794), (70, 28787710), (98, 20562650), (100, 20151397), (140, 14393855), (175, 11515084), (196, 10281325), (245, 8225060), (350, 5757542), (490, 4112530), (700, 2878771), (980, 2056265), (1225, 1645012), (2450, 822506), (4900, 411253)]