405238416

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1973}}^1$

素因数の和:2384

約数の個数: 80

約数和(自身を含む): 1145551680

約数和(自身を除く): 740313264

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 389, 528, 778, 1167, 1556, 1973, 2334, 3112, 3946, 4279, 4668, 5919, 6224, 7892, 8558, 9336, 11838, 12837, 15784, 17116, 18672, 21703, 23676, 25674, 31568, 34232, 43406, 47352, 51348, 65109, 68464, 86812, 94704, 102696, 130218, 173624, 205392, 260436, 347248, 520872, 767497, 1041744, 1534994, 2302491, 3069988, 4604982, 6139976, 8442467, 9209964, 12279952, 16884934, 18419928, 25327401, 33769868, 36839856, 50654802, 67539736, 101309604, 135079472, 202619208, 405238416]

約数ペア:

[(1, 405238416), (2, 202619208), (3, 135079472), (4, 101309604), (6, 67539736), (8, 50654802), (11, 36839856), (12, 33769868), (16, 25327401), (22, 18419928), (24, 16884934), (33, 12279952), (44, 9209964), (48, 8442467), (66, 6139976), (88, 4604982), (132, 3069988), (176, 2302491), (264, 1534994), (389, 1041744), (528, 767497), (778, 520872), (1167, 347248), (1556, 260436), (1973, 205392), (2334, 173624), (3112, 130218), (3946, 102696), (4279, 94704), (4668, 86812), (5919, 68464), (6224, 65109), (7892, 51348), (8558, 47352), (9336, 43406), (11838, 34232), (12837, 31568), (15784, 25674), (17116, 23676), (18672, 21703)]