261946890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20939}}^1$

素因数の和:21091

約数の個数: 48

約数和(自身を含む): 685994400

約数和(自身を除く): 424047510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1251, 1390, 2085, 2502, 4170, 6255, 12510, 20939, 41878, 62817, 104695, 125634, 188451, 209390, 314085, 376902, 628170, 942255, 1884510, 2910521, 5821042, 8731563, 14552605, 17463126, 26194689, 29105210, 43657815, 52389378, 87315630, 130973445, 261946890]

約数ペア:

[(1, 261946890), (2, 130973445), (3, 87315630), (5, 52389378), (6, 43657815), (9, 29105210), (10, 26194689), (15, 17463126), (18, 14552605), (30, 8731563), (45, 5821042), (90, 2910521), (139, 1884510), (278, 942255), (417, 628170), (695, 376902), (834, 314085), (1251, 209390), (1390, 188451), (2085, 125634), (2502, 104695), (4170, 62817), (6255, 41878), (12510, 20939)]