2012649980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{194647}}^1$

素因数の和:194714

約数の個数: 48

約数和(自身を含む): 4708924416

約数和(自身を除く): 2696274436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 194647, 389294, 778588, 973235, 1946470, 2141117, 3892940, 4282234, 8564468, 9148409, 10705585, 18296818, 21411170, 36593636, 42822340, 45742045, 91484090, 100632499, 182968180, 201264998, 402529996, 503162495, 1006324990, 2012649980]

約数ペア:

[(1, 2012649980), (2, 1006324990), (4, 503162495), (5, 402529996), (10, 201264998), (11, 182968180), (20, 100632499), (22, 91484090), (44, 45742045), (47, 42822340), (55, 36593636), (94, 21411170), (110, 18296818), (188, 10705585), (220, 9148409), (235, 8564468), (470, 4282234), (517, 3892940), (940, 2141117), (1034, 1946470), (2068, 973235), (2585, 778588), (5170, 389294), (10340, 194647)]