1272985210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{42589}}^1$

素因数の和:42671

約数の個数: 48

約数和(自身を含む): 2709235080

約数和(自身を除く): 1436249870

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 610, 854, 2135, 2989, 4270, 5978, 14945, 29890, 42589, 85178, 212945, 298123, 425890, 596246, 1490615, 2086861, 2597929, 2981230, 4173722, 5195858, 10434305, 12989645, 18185503, 20868610, 25979290, 36371006, 90927515, 127298521, 181855030, 254597042, 636492605, 1272985210]

約数ペア:

[(1, 1272985210), (2, 636492605), (5, 254597042), (7, 181855030), (10, 127298521), (14, 90927515), (35, 36371006), (49, 25979290), (61, 20868610), (70, 18185503), (98, 12989645), (122, 10434305), (245, 5195858), (305, 4173722), (427, 2981230), (490, 2597929), (610, 2086861), (854, 1490615), (2135, 596246), (2989, 425890), (4270, 298123), (5978, 212945), (14945, 85178), (29890, 42589)]