239968404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{26987}}^1$

素因数の和:27029

約数の個数: 72

約数和(自身を含む): 687654240

約数和(自身を除く): 447685836

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 26987, 53974, 80961, 107948, 161922, 242883, 323844, 350831, 485766, 512753, 701662, 971532, 1025506, 1052493, 1403324, 1538259, 2051012, 2104986, 3076518, 3157479, 4209972, 4614777, 6153036, 6314958, 6665789, 9229554, 12629916, 13331578, 18459108, 19997367, 26663156, 39994734, 59992101, 79989468, 119984202, 239968404]

約数ペア:

[(1, 239968404), (2, 119984202), (3, 79989468), (4, 59992101), (6, 39994734), (9, 26663156), (12, 19997367), (13, 18459108), (18, 13331578), (19, 12629916), (26, 9229554), (36, 6665789), (38, 6314958), (39, 6153036), (52, 4614777), (57, 4209972), (76, 3157479), (78, 3076518), (114, 2104986), (117, 2051012), (156, 1538259), (171, 1403324), (228, 1052493), (234, 1025506), (247, 971532), (342, 701662), (468, 512753), (494, 485766), (684, 350831), (741, 323844), (988, 242883), (1482, 161922), (2223, 107948), (2964, 80961), (4446, 53974), (8892, 26987)]