408079672

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:557

約数の個数: 128

約数和(自身を含む): 1037836800

約数和(自身を除く): 629757128

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 131, 143, 154, 182, 262, 286, 308, 364, 389, 524, 572, 616, 728, 778, 917, 1001, 1048, 1144, 1441, 1556, 1703, 1834, 2002, 2723, 2882, 3112, 3406, 3668, 4004, 4279, 5057, 5446, 5764, 6812, 7336, 8008, 8558, 10087, 10114, 10892, 11528, 11921, 13624, 17116, 18733, 20174, 20228, 21784, 23842, 29953, 34232, 35399, 37466, 40348, 40456, 47684, 50959, 55627, 59906, 70798, 74932, 80696, 95368, 101918, 111254, 119812, 131131, 141596, 149864, 203836, 222508, 239624, 262262, 283192, 356713, 389389, 407672, 445016, 524524, 560549, 662467, 713426, 778778, 1049048, 1121098, 1324934, 1426852, 1557556, 2242196, 2649868, 2853704, 3115112, 3923843, 4484392, 4637269, 5299736, 7287137, 7847686, 9274538, 14574274, 15695372, 18549076, 29148548, 31390744, 37098152, 51009959, 58297096, 102019918, 204039836, 408079672]

約数ペア:

[(1, 408079672), (2, 204039836), (4, 102019918), (7, 58297096), (8, 51009959), (11, 37098152), (13, 31390744), (14, 29148548), (22, 18549076), (26, 15695372), (28, 14574274), (44, 9274538), (52, 7847686), (56, 7287137), (77, 5299736), (88, 4637269), (91, 4484392), (104, 3923843), (131, 3115112), (143, 2853704), (154, 2649868), (182, 2242196), (262, 1557556), (286, 1426852), (308, 1324934), (364, 1121098), (389, 1049048), (524, 778778), (572, 713426), (616, 662467), (728, 560549), (778, 524524), (917, 445016), (1001, 407672), (1048, 389389), (1144, 356713), (1441, 283192), (1556, 262262), (1703, 239624), (1834, 222508), (2002, 203836), (2723, 149864), (2882, 141596), (3112, 131131), (3406, 119812), (3668, 111254), (4004, 101918), (4279, 95368), (5057, 80696), (5446, 74932), (5764, 70798), (6812, 59906), (7336, 55627), (8008, 50959), (8558, 47684), (10087, 40456), (10114, 40348), (10892, 37466), (11528, 35399), (11921, 34232), (13624, 29953), (17116, 23842), (18733, 21784), (20174, 20228)]