254840274

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 661489920

約数和(自身を除く): 406649646

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 31, 38, 39, 43, 57, 62, 78, 86, 93, 114, 117, 129, 171, 186, 234, 247, 258, 279, 342, 387, 403, 494, 558, 559, 589, 741, 774, 806, 817, 1118, 1178, 1209, 1333, 1482, 1634, 1677, 1767, 1849, 2223, 2418, 2451, 2666, 3354, 3534, 3627, 3698, 3999, 4446, 4902, 5031, 5301, 5547, 7254, 7353, 7657, 7998, 10062, 10602, 10621, 11094, 11997, 14706, 15314, 16641, 17329, 21242, 22971, 23994, 24037, 25327, 31863, 33282, 34658, 35131, 45942, 48074, 50654, 51987, 57319, 63726, 68913, 70262, 72111, 75981, 95589, 103974, 105393, 114638, 137826, 144222, 151962, 155961, 171957, 191178, 210786, 216333, 227943, 311922, 316179, 329251, 343914, 432666, 455886, 456703, 515871, 632358, 658502, 745147, 913406, 987753, 1031742, 1089061, 1370109, 1490294, 1975506, 2178122, 2235441, 2740218, 2963259, 3267183, 4110327, 4470882, 5926518, 6534366, 6706323, 8220654, 9801549, 13412646, 14157793, 19603098, 28315586, 42473379, 84946758, 127420137, 254840274]

約数ペア:

[(1, 254840274), (2, 127420137), (3, 84946758), (6, 42473379), (9, 28315586), (13, 19603098), (18, 14157793), (19, 13412646), (26, 9801549), (31, 8220654), (38, 6706323), (39, 6534366), (43, 5926518), (57, 4470882), (62, 4110327), (78, 3267183), (86, 2963259), (93, 2740218), (114, 2235441), (117, 2178122), (129, 1975506), (171, 1490294), (186, 1370109), (234, 1089061), (247, 1031742), (258, 987753), (279, 913406), (342, 745147), (387, 658502), (403, 632358), (494, 515871), (558, 456703), (559, 455886), (589, 432666), (741, 343914), (774, 329251), (806, 316179), (817, 311922), (1118, 227943), (1178, 216333), (1209, 210786), (1333, 191178), (1482, 171957), (1634, 155961), (1677, 151962), (1767, 144222), (1849, 137826), (2223, 114638), (2418, 105393), (2451, 103974), (2666, 95589), (3354, 75981), (3534, 72111), (3627, 70262), (3698, 68913), (3999, 63726), (4446, 57319), (4902, 51987), (5031, 50654), (5301, 48074), (5547, 45942), (7254, 35131), (7353, 34658), (7657, 33282), (7998, 31863), (10062, 25327), (10602, 24037), (10621, 23994), (11094, 22971), (11997, 21242), (14706, 17329), (15314, 16641)]