1900698730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1409}}^1\times {\mathrm{2753}}^1$

素因数の和:4183

約数の個数: 48

約数和(自身を含む): 3984101640

約数和(自身を除く): 2083402910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1409, 2753, 2818, 5506, 7045, 9863, 13765, 14090, 19271, 19726, 27530, 38542, 49315, 69041, 96355, 98630, 134897, 138082, 192710, 269794, 345205, 674485, 690410, 1348970, 3878977, 7757954, 19394885, 27152839, 38789770, 54305678, 135764195, 190069873, 271528390, 380139746, 950349365, 1900698730]

約数ペア:

[(1, 1900698730), (2, 950349365), (5, 380139746), (7, 271528390), (10, 190069873), (14, 135764195), (35, 54305678), (49, 38789770), (70, 27152839), (98, 19394885), (245, 7757954), (490, 3878977), (1409, 1348970), (2753, 690410), (2818, 674485), (5506, 345205), (7045, 269794), (9863, 192710), (13765, 138082), (14090, 134897), (19271, 98630), (19726, 96355), (27530, 69041), (38542, 49315)]