521001580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{50387}}^1$

素因数の和:50454

約数の個数: 48

約数和(自身を含む): 1218986496

約数和(自身を除く): 697984916

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, 50387, 100774, 201548, 251935, 503870, 554257, 1007740, 1108514, 2217028, 2368189, 2771285, 4736378, 5542570, 9472756, 11085140, 11840945, 23681890, 26050079, 47363780, 52100158, 104200316, 130250395, 260500790, 521001580]

約数ペア:

[(1, 521001580), (2, 260500790), (4, 130250395), (5, 104200316), (10, 52100158), (11, 47363780), (20, 26050079), (22, 23681890), (44, 11840945), (47, 11085140), (55, 9472756), (94, 5542570), (110, 4736378), (188, 2771285), (220, 2368189), (235, 2217028), (470, 1108514), (517, 1007740), (940, 554257), (1034, 503870), (2068, 251935), (2585, 201548), (5170, 100774), (10340, 50387)]