2010079820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{196681}}^1$

素因数の和:196770

約数の個数: 48

約数和(自身を含む): 4890301248

約数和(自身を除く): 2880221428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 196681, 393362, 786724, 983405, 1376767, 1966810, 2753534, 3933620, 5507068, 6883835, 13767670, 14357713, 27535340, 28715426, 57430852, 71788565, 100503991, 143577130, 201007982, 287154260, 402015964, 502519955, 1005039910, 2010079820]

約数ペア:

[(1, 2010079820), (2, 1005039910), (4, 502519955), (5, 402015964), (7, 287154260), (10, 201007982), (14, 143577130), (20, 100503991), (28, 71788565), (35, 57430852), (70, 28715426), (73, 27535340), (140, 14357713), (146, 13767670), (292, 6883835), (365, 5507068), (511, 3933620), (730, 2753534), (1022, 1966810), (1460, 1376767), (2044, 983405), (2555, 786724), (5110, 393362), (10220, 196681)]