280051244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{691}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 547798272

約数和(自身を除く): 267747028

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 151, 244, 302, 604, 671, 691, 1342, 1382, 1661, 2684, 2764, 3322, 6644, 7601, 9211, 15202, 18422, 30404, 36844, 42151, 84302, 101321, 104341, 168604, 202642, 208682, 405284, 417364, 463661, 927322, 1147751, 1854644, 2295502, 4591004, 6364801, 12729602, 25459204, 70012811, 140025622, 280051244]

約数ペア:

[(1, 280051244), (2, 140025622), (4, 70012811), (11, 25459204), (22, 12729602), (44, 6364801), (61, 4591004), (122, 2295502), (151, 1854644), (244, 1147751), (302, 927322), (604, 463661), (671, 417364), (691, 405284), (1342, 208682), (1382, 202642), (1661, 168604), (2684, 104341), (2764, 101321), (3322, 84302), (6644, 42151), (7601, 36844), (9211, 30404), (15202, 18422)]