280055594

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 531691776

約数和(自身を除く): 251636182

約数列:

[1, 2, 7, 13, 14, 26, 73, 91, 107, 146, 182, 197, 214, 394, 511, 749, 949, 1022, 1379, 1391, 1498, 1898, 2561, 2758, 2782, 5122, 6643, 7811, 9737, 13286, 14381, 15622, 17927, 19474, 21079, 28762, 35854, 42158, 54677, 100667, 101543, 109354, 147553, 186953, 201334, 203086, 274027, 295106, 373906, 548054, 710801, 1308671, 1421602, 1538767, 1918189, 2617342, 3077534, 3836378, 10771369, 20003971, 21542738, 40007942, 140027797, 280055594]

約数ペア:

[(1, 280055594), (2, 140027797), (7, 40007942), (13, 21542738), (14, 20003971), (26, 10771369), (73, 3836378), (91, 3077534), (107, 2617342), (146, 1918189), (182, 1538767), (197, 1421602), (214, 1308671), (394, 710801), (511, 548054), (749, 373906), (949, 295106), (1022, 274027), (1379, 203086), (1391, 201334), (1498, 186953), (1898, 147553), (2561, 109354), (2758, 101543), (2782, 100667), (5122, 54677), (6643, 42158), (7811, 35854), (9737, 28762), (13286, 21079), (14381, 19474), (15622, 17927)]