2121305725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{769}}^1\times {\mathrm{1433}}^1$

素因数の和:2230

約数の個数: 48

約数和(自身を含む): 3286039680

約数和(自身を除く): 1164733955

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 769, 1433, 1925, 3845, 5383, 7165, 8459, 10031, 15763, 19225, 26915, 35825, 42295, 50155, 59213, 78815, 110341, 134575, 211475, 250775, 296065, 394075, 551705, 1101977, 1480325, 2758525, 5509885, 7713839, 12121747, 27549425, 38569195, 60608735, 84852229, 192845975, 303043675, 424261145, 2121305725]

約数ペア:

[(1, 2121305725), (5, 424261145), (7, 303043675), (11, 192845975), (25, 84852229), (35, 60608735), (55, 38569195), (77, 27549425), (175, 12121747), (275, 7713839), (385, 5509885), (769, 2758525), (1433, 1480325), (1925, 1101977), (3845, 551705), (5383, 394075), (7165, 296065), (8459, 250775), (10031, 211475), (15763, 134575), (19225, 110341), (26915, 78815), (35825, 59213), (42295, 50155)]