9957220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5471}}^1$

素因数の和:5500

約数の個数: 48

約数和(自身を含む): 25740288

約数和(自身を除く): 15783068

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 5471, 10942, 21884, 27355, 38297, 54710, 71123, 76594, 109420, 142246, 153188, 191485, 284492, 355615, 382970, 497861, 711230, 765940, 995722, 1422460, 1991444, 2489305, 4978610, 9957220]

約数ペア:

[(1, 9957220), (2, 4978610), (4, 2489305), (5, 1991444), (7, 1422460), (10, 995722), (13, 765940), (14, 711230), (20, 497861), (26, 382970), (28, 355615), (35, 284492), (52, 191485), (65, 153188), (70, 142246), (91, 109420), (130, 76594), (140, 71123), (182, 54710), (260, 38297), (364, 27355), (455, 21884), (910, 10942), (1820, 5471)]