2143993820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{10429}}^1$

素因数の和:10998

約数の個数: 48

約数和(自身を含む): 4748570400

約数和(自身を除く): 2604576580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 541, 1082, 2164, 2705, 5410, 10279, 10429, 10820, 20558, 20858, 41116, 41716, 51395, 52145, 102790, 104290, 198151, 205580, 208580, 396302, 792604, 990755, 1981510, 3963020, 5642089, 11284178, 22568356, 28210445, 56420890, 107199691, 112841780, 214399382, 428798764, 535998455, 1071996910, 2143993820]

約数ペア:

[(1, 2143993820), (2, 1071996910), (4, 535998455), (5, 428798764), (10, 214399382), (19, 112841780), (20, 107199691), (38, 56420890), (76, 28210445), (95, 22568356), (190, 11284178), (380, 5642089), (541, 3963020), (1082, 1981510), (2164, 990755), (2705, 792604), (5410, 396302), (10279, 208580), (10429, 205580), (10820, 198151), (20558, 104290), (20858, 102790), (41116, 52145), (41716, 51395)]