1267888940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1\times {\mathrm{2543}}^1$

素因数の和:2906

約数の個数: 48

約数和(自身を含む): 2701544832

約数和(自身を除く): 1433655892

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 257, 388, 485, 514, 970, 1028, 1285, 1940, 2543, 2570, 5086, 5140, 10172, 12715, 24929, 25430, 49858, 50860, 99716, 124645, 246671, 249290, 493342, 498580, 653551, 986684, 1233355, 1307102, 2466710, 2614204, 3267755, 4933420, 6535510, 13071020, 63394447, 126788894, 253577788, 316972235, 633944470, 1267888940]

約数ペア:

[(1, 1267888940), (2, 633944470), (4, 316972235), (5, 253577788), (10, 126788894), (20, 63394447), (97, 13071020), (194, 6535510), (257, 4933420), (388, 3267755), (485, 2614204), (514, 2466710), (970, 1307102), (1028, 1233355), (1285, 986684), (1940, 653551), (2543, 498580), (2570, 493342), (5086, 249290), (5140, 246671), (10172, 124645), (12715, 99716), (24929, 50860), (25430, 49858)]