339977968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{571}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 766022400

約数和(自身を除く): 426044432

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 199, 272, 374, 398, 571, 748, 796, 1142, 1496, 1592, 2189, 2284, 2992, 3184, 3383, 4378, 4568, 6281, 6766, 8756, 9136, 9707, 12562, 13532, 17512, 19414, 25124, 27064, 35024, 37213, 38828, 50248, 54128, 74426, 77656, 100496, 106777, 113629, 148852, 155312, 213554, 227258, 297704, 427108, 454516, 595408, 854216, 909032, 1249919, 1708432, 1818064, 1931693, 2499838, 3863386, 4999676, 7726772, 9999352, 15453544, 19998704, 21248623, 30907088, 42497246, 84994492, 169988984, 339977968]

約数ペア:

[(1, 339977968), (2, 169988984), (4, 84994492), (8, 42497246), (11, 30907088), (16, 21248623), (17, 19998704), (22, 15453544), (34, 9999352), (44, 7726772), (68, 4999676), (88, 3863386), (136, 2499838), (176, 1931693), (187, 1818064), (199, 1708432), (272, 1249919), (374, 909032), (398, 854216), (571, 595408), (748, 454516), (796, 427108), (1142, 297704), (1496, 227258), (1592, 213554), (2189, 155312), (2284, 148852), (2992, 113629), (3184, 106777), (3383, 100496), (4378, 77656), (4568, 74426), (6281, 54128), (6766, 50248), (8756, 38828), (9136, 37213), (9707, 35024), (12562, 27064), (13532, 25124), (17512, 19414)]