279941872

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1091}}^1$

素因数の和:1214

約数の個数: 80

約数和(自身を含む): 649958400

約数和(自身を除く): 370016528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 79, 112, 116, 158, 203, 232, 316, 406, 464, 553, 632, 812, 1091, 1106, 1264, 1624, 2182, 2212, 2291, 3248, 4364, 4424, 4582, 7637, 8728, 8848, 9164, 15274, 16037, 17456, 18328, 30548, 31639, 32074, 36656, 61096, 63278, 64148, 86189, 122192, 126556, 128296, 172378, 221473, 253112, 256592, 344756, 442946, 506224, 603323, 689512, 885892, 1206646, 1379024, 1771784, 2413292, 2499481, 3543568, 4826584, 4998962, 9653168, 9997924, 17496367, 19995848, 34992734, 39991696, 69985468, 139970936, 279941872]

約数ペア:

[(1, 279941872), (2, 139970936), (4, 69985468), (7, 39991696), (8, 34992734), (14, 19995848), (16, 17496367), (28, 9997924), (29, 9653168), (56, 4998962), (58, 4826584), (79, 3543568), (112, 2499481), (116, 2413292), (158, 1771784), (203, 1379024), (232, 1206646), (316, 885892), (406, 689512), (464, 603323), (553, 506224), (632, 442946), (812, 344756), (1091, 256592), (1106, 253112), (1264, 221473), (1624, 172378), (2182, 128296), (2212, 126556), (2291, 122192), (3248, 86189), (4364, 64148), (4424, 63278), (4582, 61096), (7637, 36656), (8728, 32074), (8848, 31639), (9164, 30548), (15274, 18328), (16037, 17456)]