215680105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1483}}^1$

素因数の和:1593

約数の個数: 32

約数和(自身を含む): 288489600

約数和(自身を除く): 72809495

約数列:

[1, 5, 17, 29, 59, 85, 145, 295, 493, 1003, 1483, 1711, 2465, 5015, 7415, 8555, 25211, 29087, 43007, 87497, 126055, 145435, 215035, 437485, 731119, 1487449, 2537413, 3655595, 7437245, 12687065, 43136021, 215680105]

約数ペア:

[(1, 215680105), (5, 43136021), (17, 12687065), (29, 7437245), (59, 3655595), (85, 2537413), (145, 1487449), (295, 731119), (493, 437485), (1003, 215035), (1483, 145435), (1711, 126055), (2465, 87497), (5015, 43007), (7415, 29087), (8555, 25211)]