49999968

素因数分解:

$2^5\times 3^2\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1404

約数の個数: 72

約数和(自身を含む): 143325000

約数和(自身を除く): 93325032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 139, 144, 278, 288, 417, 556, 834, 1112, 1249, 1251, 1668, 2224, 2498, 2502, 3336, 3747, 4448, 4996, 5004, 6672, 7494, 9992, 10008, 11241, 13344, 14988, 19984, 20016, 22482, 29976, 39968, 40032, 44964, 59952, 89928, 119904, 173611, 179856, 347222, 359712, 520833, 694444, 1041666, 1388888, 1562499, 2083332, 2777776, 3124998, 4166664, 5555552, 6249996, 8333328, 12499992, 16666656, 24999984, 49999968]

約数ペア:

[(1, 49999968), (2, 24999984), (3, 16666656), (4, 12499992), (6, 8333328), (8, 6249996), (9, 5555552), (12, 4166664), (16, 3124998), (18, 2777776), (24, 2083332), (32, 1562499), (36, 1388888), (48, 1041666), (72, 694444), (96, 520833), (139, 359712), (144, 347222), (278, 179856), (288, 173611), (417, 119904), (556, 89928), (834, 59952), (1112, 44964), (1249, 40032), (1251, 39968), (1668, 29976), (2224, 22482), (2498, 20016), (2502, 19984), (3336, 14988), (3747, 13344), (4448, 11241), (4996, 10008), (5004, 9992), (6672, 7494)]