247411180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{2617}}^1$

素因数の和:2818

約数の個数: 48

約数和(自身を含む): 540983520

約数和(自身を除く): 293572340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 163, 290, 326, 580, 652, 815, 1630, 2617, 3260, 4727, 5234, 9454, 10468, 13085, 18908, 23635, 26170, 47270, 52340, 75893, 94540, 151786, 303572, 379465, 426571, 758930, 853142, 1517860, 1706284, 2132855, 4265710, 8531420, 12370559, 24741118, 49482236, 61852795, 123705590, 247411180]

約数ペア:

[(1, 247411180), (2, 123705590), (4, 61852795), (5, 49482236), (10, 24741118), (20, 12370559), (29, 8531420), (58, 4265710), (116, 2132855), (145, 1706284), (163, 1517860), (290, 853142), (326, 758930), (580, 426571), (652, 379465), (815, 303572), (1630, 151786), (2617, 94540), (3260, 75893), (4727, 52340), (5234, 47270), (9454, 26170), (10468, 23635), (13085, 18908)]