290884864

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 612218880

約数和(自身を除く): 321334016

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 127, 128, 184, 254, 256, 368, 389, 508, 736, 778, 1016, 1472, 1556, 2032, 2921, 2944, 3112, 4064, 5842, 5888, 6224, 8128, 8947, 11684, 12448, 16256, 17894, 23368, 24896, 32512, 35788, 46736, 49403, 49792, 71576, 93472, 98806, 99584, 143152, 186944, 197612, 286304, 373888, 395224, 572608, 747776, 790448, 1136269, 1145216, 1580896, 2272538, 2290432, 3161792, 4545076, 6323584, 9090152, 12647168, 18180304, 36360608, 72721216, 145442432, 290884864]

約数ペア:

[(1, 290884864), (2, 145442432), (4, 72721216), (8, 36360608), (16, 18180304), (23, 12647168), (32, 9090152), (46, 6323584), (64, 4545076), (92, 3161792), (127, 2290432), (128, 2272538), (184, 1580896), (254, 1145216), (256, 1136269), (368, 790448), (389, 747776), (508, 572608), (736, 395224), (778, 373888), (1016, 286304), (1472, 197612), (1556, 186944), (2032, 143152), (2921, 99584), (2944, 98806), (3112, 93472), (4064, 71576), (5842, 49792), (5888, 49403), (6224, 46736), (8128, 35788), (8947, 32512), (11684, 24896), (12448, 23368), (16256, 17894)]