490635725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 678612816

約数和(自身を除く): 187977091

約数列:

[1, 5, 17, 25, 37, 41, 85, 185, 205, 425, 629, 697, 761, 925, 1025, 1517, 3145, 3485, 3805, 7585, 12937, 15725, 17425, 19025, 25789, 28157, 31201, 37925, 64685, 128945, 140785, 156005, 323425, 478669, 530417, 644725, 703925, 780025, 1154437, 2393345, 2652085, 5772185, 11966725, 13260425, 19625429, 28860925, 98127145, 490635725]

約数ペア:

[(1, 490635725), (5, 98127145), (17, 28860925), (25, 19625429), (37, 13260425), (41, 11966725), (85, 5772185), (185, 2652085), (205, 2393345), (425, 1154437), (629, 780025), (697, 703925), (761, 644725), (925, 530417), (1025, 478669), (1517, 323425), (3145, 156005), (3485, 140785), (3805, 128945), (7585, 64685), (12937, 37925), (15725, 31201), (17425, 28157), (19025, 25789)]