178500728

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 413792640

約数和(自身を除く): 235291912

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 49, 56, 62, 74, 98, 124, 148, 196, 217, 248, 259, 296, 392, 397, 434, 518, 794, 868, 1036, 1147, 1519, 1588, 1736, 1813, 2072, 2294, 2779, 3038, 3176, 3626, 4588, 5558, 6076, 7252, 8029, 9176, 11116, 12152, 12307, 14504, 14689, 16058, 19453, 22232, 24614, 29378, 32116, 38906, 49228, 56203, 58756, 64232, 77812, 86149, 98456, 102823, 112406, 117512, 155624, 172298, 205646, 224812, 344596, 411292, 449624, 455359, 603043, 689192, 719761, 822584, 910718, 1206086, 1439522, 1821436, 2412172, 2879044, 3187513, 3642872, 4824344, 5758088, 6375026, 12750052, 22312591, 25500104, 44625182, 89250364, 178500728]

約数ペア:

[(1, 178500728), (2, 89250364), (4, 44625182), (7, 25500104), (8, 22312591), (14, 12750052), (28, 6375026), (31, 5758088), (37, 4824344), (49, 3642872), (56, 3187513), (62, 2879044), (74, 2412172), (98, 1821436), (124, 1439522), (148, 1206086), (196, 910718), (217, 822584), (248, 719761), (259, 689192), (296, 603043), (392, 455359), (397, 449624), (434, 411292), (518, 344596), (794, 224812), (868, 205646), (1036, 172298), (1147, 155624), (1519, 117512), (1588, 112406), (1736, 102823), (1813, 98456), (2072, 86149), (2294, 77812), (2779, 64232), (3038, 58756), (3176, 56203), (3626, 49228), (4588, 38906), (5558, 32116), (6076, 29378), (7252, 24614), (8029, 22232), (9176, 19453), (11116, 16058), (12152, 14689), (12307, 14504)]