340147456

素因数分解:

$2^8\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:256

約数の個数: 108

約数和(自身を含む): 761185600

約数和(自身を除く): 421038144

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 79, 88, 121, 128, 139, 158, 176, 242, 256, 278, 316, 352, 484, 556, 632, 704, 869, 968, 1112, 1264, 1408, 1529, 1738, 1936, 2224, 2528, 2816, 3058, 3476, 3872, 4448, 5056, 6116, 6952, 7744, 8896, 9559, 10112, 10981, 12232, 13904, 15488, 16819, 17792, 19118, 20224, 21962, 24464, 27808, 30976, 33638, 35584, 38236, 43924, 48928, 55616, 67276, 76472, 87848, 97856, 111232, 120791, 134552, 152944, 175696, 195712, 222464, 241582, 269104, 305888, 351392, 391424, 483164, 538208, 611776, 702784, 966328, 1076416, 1223552, 1328701, 1405568, 1932656, 2152832, 2447104, 2657402, 2811136, 3865312, 4305664, 5314804, 7730624, 10629608, 15461248, 21259216, 30922496, 42518432, 85036864, 170073728, 340147456]

約数ペア:

[(1, 340147456), (2, 170073728), (4, 85036864), (8, 42518432), (11, 30922496), (16, 21259216), (22, 15461248), (32, 10629608), (44, 7730624), (64, 5314804), (79, 4305664), (88, 3865312), (121, 2811136), (128, 2657402), (139, 2447104), (158, 2152832), (176, 1932656), (242, 1405568), (256, 1328701), (278, 1223552), (316, 1076416), (352, 966328), (484, 702784), (556, 611776), (632, 538208), (704, 483164), (869, 391424), (968, 351392), (1112, 305888), (1264, 269104), (1408, 241582), (1529, 222464), (1738, 195712), (1936, 175696), (2224, 152944), (2528, 134552), (2816, 120791), (3058, 111232), (3476, 97856), (3872, 87848), (4448, 76472), (5056, 67276), (6116, 55616), (6952, 48928), (7744, 43924), (8896, 38236), (9559, 35584), (10112, 33638), (10981, 30976), (12232, 27808), (13904, 24464), (15488, 21962), (16819, 20224), (17792, 19118)]