128554448

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 285249600

約数和(自身を除く): 156695152

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 89, 116, 176, 178, 232, 283, 319, 356, 464, 566, 638, 712, 979, 1132, 1276, 1424, 1958, 2264, 2552, 2581, 3113, 3916, 4528, 5104, 5162, 6226, 7832, 8207, 10324, 12452, 15664, 16414, 20648, 24904, 25187, 28391, 32828, 41296, 49808, 50374, 56782, 65656, 90277, 100748, 113564, 131312, 180554, 201496, 227128, 277057, 361108, 402992, 454256, 554114, 722216, 730423, 1108228, 1444432, 1460846, 2216456, 2921692, 4432912, 5843384, 8034653, 11686768, 16069306, 32138612, 64277224, 128554448]

約数ペア:

[(1, 128554448), (2, 64277224), (4, 32138612), (8, 16069306), (11, 11686768), (16, 8034653), (22, 5843384), (29, 4432912), (44, 2921692), (58, 2216456), (88, 1460846), (89, 1444432), (116, 1108228), (176, 730423), (178, 722216), (232, 554114), (283, 454256), (319, 402992), (356, 361108), (464, 277057), (566, 227128), (638, 201496), (712, 180554), (979, 131312), (1132, 113564), (1276, 100748), (1424, 90277), (1958, 65656), (2264, 56782), (2552, 50374), (2581, 49808), (3113, 41296), (3916, 32828), (4528, 28391), (5104, 25187), (5162, 24904), (6226, 20648), (7832, 16414), (8207, 15664), (10324, 12452)]