398649776

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{883}}^1$

素因数の和:1066

約数の個数: 80

約数和(自身を含む): 920774400

約数和(自身を除く): 522124624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 139, 203, 232, 278, 406, 464, 556, 812, 883, 973, 1112, 1624, 1766, 1946, 2224, 3248, 3532, 3892, 4031, 6181, 7064, 7784, 8062, 12362, 14128, 15568, 16124, 24724, 25607, 28217, 32248, 49448, 51214, 56434, 64496, 98896, 102428, 112868, 122737, 179249, 204856, 225736, 245474, 358498, 409712, 451472, 490948, 716996, 859159, 981896, 1433992, 1718318, 1963792, 2867984, 3436636, 3559373, 6873272, 7118746, 13746544, 14237492, 24915611, 28474984, 49831222, 56949968, 99662444, 199324888, 398649776]

約数ペア:

[(1, 398649776), (2, 199324888), (4, 99662444), (7, 56949968), (8, 49831222), (14, 28474984), (16, 24915611), (28, 14237492), (29, 13746544), (56, 7118746), (58, 6873272), (112, 3559373), (116, 3436636), (139, 2867984), (203, 1963792), (232, 1718318), (278, 1433992), (406, 981896), (464, 859159), (556, 716996), (812, 490948), (883, 451472), (973, 409712), (1112, 358498), (1624, 245474), (1766, 225736), (1946, 204856), (2224, 179249), (3248, 122737), (3532, 112868), (3892, 102428), (4031, 98896), (6181, 64496), (7064, 56434), (7784, 51214), (8062, 49448), (12362, 32248), (14128, 28217), (15568, 25607), (16124, 24724)]