140809472

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 291981312

約数和(自身を除く): 151171840

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 71, 122, 127, 128, 142, 244, 254, 256, 284, 488, 508, 568, 976, 1016, 1136, 1952, 2032, 2272, 3904, 4064, 4331, 4544, 7747, 7808, 8128, 8662, 9017, 9088, 15494, 15616, 16256, 17324, 18034, 18176, 30988, 32512, 34648, 36068, 61976, 69296, 72136, 123952, 138592, 144272, 247904, 277184, 288544, 495808, 550037, 554368, 577088, 991616, 1100074, 1108736, 1154176, 1983232, 2200148, 2308352, 4400296, 8800592, 17601184, 35202368, 70404736, 140809472]

約数ペア:

[(1, 140809472), (2, 70404736), (4, 35202368), (8, 17601184), (16, 8800592), (32, 4400296), (61, 2308352), (64, 2200148), (71, 1983232), (122, 1154176), (127, 1108736), (128, 1100074), (142, 991616), (244, 577088), (254, 554368), (256, 550037), (284, 495808), (488, 288544), (508, 277184), (568, 247904), (976, 144272), (1016, 138592), (1136, 123952), (1952, 72136), (2032, 69296), (2272, 61976), (3904, 36068), (4064, 34648), (4331, 32512), (4544, 30988), (7747, 18176), (7808, 18034), (8128, 17324), (8662, 16256), (9017, 15616), (9088, 15494)]