139915888

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 318957760

約数和(自身を除く): 179041872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 109, 112, 146, 157, 218, 292, 314, 436, 511, 584, 628, 763, 872, 1022, 1099, 1168, 1256, 1526, 1744, 2044, 2198, 2512, 3052, 4088, 4396, 6104, 7957, 8176, 8792, 11461, 12208, 15914, 17113, 17584, 22922, 31828, 34226, 45844, 55699, 63656, 68452, 80227, 91688, 111398, 119791, 127312, 136904, 160454, 183376, 222796, 239582, 273808, 320908, 445592, 479164, 641816, 891184, 958328, 1249249, 1283632, 1916656, 2498498, 4996996, 8744743, 9993992, 17489486, 19987984, 34978972, 69957944, 139915888]

約数ペア:

[(1, 139915888), (2, 69957944), (4, 34978972), (7, 19987984), (8, 17489486), (14, 9993992), (16, 8744743), (28, 4996996), (56, 2498498), (73, 1916656), (109, 1283632), (112, 1249249), (146, 958328), (157, 891184), (218, 641816), (292, 479164), (314, 445592), (436, 320908), (511, 273808), (584, 239582), (628, 222796), (763, 183376), (872, 160454), (1022, 136904), (1099, 127312), (1168, 119791), (1256, 111398), (1526, 91688), (1744, 80227), (2044, 68452), (2198, 63656), (2512, 55699), (3052, 45844), (4088, 34226), (4396, 31828), (6104, 22922), (7957, 17584), (8176, 17113), (8792, 15914), (11461, 12208)]