280475944

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 612864000

約数和(自身を除く): 332388056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 127, 226, 254, 349, 452, 508, 698, 791, 889, 904, 1016, 1396, 1582, 1778, 2443, 2792, 3164, 3556, 4886, 6328, 7112, 9772, 14351, 19544, 28702, 39437, 44323, 57404, 78874, 88646, 100457, 114808, 157748, 177292, 200914, 276059, 310261, 315496, 354584, 401828, 552118, 620522, 803656, 1104236, 1241044, 2208472, 2482088, 5008499, 10016998, 20033996, 35059493, 40067992, 70118986, 140237972, 280475944]

約数ペア:

[(1, 280475944), (2, 140237972), (4, 70118986), (7, 40067992), (8, 35059493), (14, 20033996), (28, 10016998), (56, 5008499), (113, 2482088), (127, 2208472), (226, 1241044), (254, 1104236), (349, 803656), (452, 620522), (508, 552118), (698, 401828), (791, 354584), (889, 315496), (904, 310261), (1016, 276059), (1396, 200914), (1582, 177292), (1778, 157748), (2443, 114808), (2792, 100457), (3164, 88646), (3556, 78874), (4886, 57404), (6328, 44323), (7112, 39437), (9772, 28702), (14351, 19544)]