121998910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 246758400

約数和(自身を除く): 124759490

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 101, 110, 139, 158, 202, 278, 395, 505, 695, 790, 869, 1010, 1111, 1390, 1529, 1738, 2222, 3058, 4345, 5555, 7645, 7979, 8690, 10981, 11110, 14039, 15290, 15958, 21962, 28078, 39895, 54905, 70195, 79790, 87769, 109810, 120791, 140390, 154429, 175538, 241582, 308858, 438845, 603955, 772145, 877690, 1109081, 1207910, 1544290, 2218162, 5545405, 11090810, 12199891, 24399782, 60999455, 121998910]

約数ペア:

[(1, 121998910), (2, 60999455), (5, 24399782), (10, 12199891), (11, 11090810), (22, 5545405), (55, 2218162), (79, 1544290), (101, 1207910), (110, 1109081), (139, 877690), (158, 772145), (202, 603955), (278, 438845), (395, 308858), (505, 241582), (695, 175538), (790, 154429), (869, 140390), (1010, 120791), (1111, 109810), (1390, 87769), (1529, 79790), (1738, 70195), (2222, 54905), (3058, 39895), (4345, 28078), (5555, 21962), (7645, 15958), (7979, 15290), (8690, 14039), (10981, 11110)]