428072153620

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{8929}}^1\times {\mathrm{17497}}^1$

素因数の和:26572

約数の個数: 48

約数和(自身を含む): 905666383440

約数和(自身を除く): 477594229820

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 8929, 17497, 17858, 34994, 35716, 44645, 69988, 87485, 89290, 174970, 178580, 349940, 1223273, 2397089, 2446546, 4794178, 4893092, 6116365, 9588356, 11985445, 12232730, 23970890, 24465460, 47941780, 156230713, 312461426, 624922852, 781153565, 1562307130, 3124614260, 21403607681, 42807215362, 85614430724, 107018038405, 214036076810, 428072153620]

約数ペア:

[(1, 428072153620), (2, 214036076810), (4, 107018038405), (5, 85614430724), (10, 42807215362), (20, 21403607681), (137, 3124614260), (274, 1562307130), (548, 781153565), (685, 624922852), (1370, 312461426), (2740, 156230713), (8929, 47941780), (17497, 24465460), (17858, 23970890), (34994, 12232730), (35716, 11985445), (44645, 9588356), (69988, 6116365), (87485, 4893092), (89290, 4794178), (174970, 2446546), (178580, 2397089), (349940, 1223273)]