2155155590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{12791}}^1$

素因数の和:12917

約数の個数: 64

約数和(自身を含む): 4641960960

約数和(自身を除く): 2486805370

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 83, 145, 166, 203, 290, 406, 415, 581, 830, 1015, 1162, 2030, 2407, 2905, 4814, 5810, 12035, 12791, 16849, 24070, 25582, 33698, 63955, 84245, 89537, 127910, 168490, 179074, 370939, 447685, 741878, 895370, 1061653, 1854695, 2123306, 2596573, 3709390, 5193146, 5308265, 7431571, 10616530, 12982865, 14863142, 25965730, 30787937, 37157855, 61575874, 74315710, 153939685, 215515559, 307879370, 431031118, 1077577795, 2155155590]

約数ペア:

[(1, 2155155590), (2, 1077577795), (5, 431031118), (7, 307879370), (10, 215515559), (14, 153939685), (29, 74315710), (35, 61575874), (58, 37157855), (70, 30787937), (83, 25965730), (145, 14863142), (166, 12982865), (203, 10616530), (290, 7431571), (406, 5308265), (415, 5193146), (581, 3709390), (830, 2596573), (1015, 2123306), (1162, 1854695), (2030, 1061653), (2407, 895370), (2905, 741878), (4814, 447685), (5810, 370939), (12035, 179074), (12791, 168490), (16849, 127910), (24070, 89537), (25582, 84245), (33698, 63955)]