248103700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6581}}^1$

素因数の和:6637

約数の個数: 72

約数和(自身を含む): 599883480

約数和(自身を除く): 351779780

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 650, 725, 754, 1300, 1450, 1508, 1885, 2900, 3770, 6581, 7540, 9425, 13162, 18850, 26324, 32905, 37700, 65810, 85553, 131620, 164525, 171106, 190849, 329050, 342212, 381698, 427765, 658100, 763396, 855530, 954245, 1711060, 1908490, 2138825, 2481037, 3816980, 4277650, 4771225, 4962074, 8555300, 9542450, 9924148, 12405185, 19084900, 24810370, 49620740, 62025925, 124051850, 248103700]

約数ペア:

[(1, 248103700), (2, 124051850), (4, 62025925), (5, 49620740), (10, 24810370), (13, 19084900), (20, 12405185), (25, 9924148), (26, 9542450), (29, 8555300), (50, 4962074), (52, 4771225), (58, 4277650), (65, 3816980), (100, 2481037), (116, 2138825), (130, 1908490), (145, 1711060), (260, 954245), (290, 855530), (325, 763396), (377, 658100), (580, 427765), (650, 381698), (725, 342212), (754, 329050), (1300, 190849), (1450, 171106), (1508, 164525), (1885, 131620), (2900, 85553), (3770, 65810), (6581, 37700), (7540, 32905), (9425, 26324), (13162, 18850)]