281387496

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:719

約数の個数: 128

約数和(自身を含む): 799948800

約数和(自身を除く): 518561304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 47, 52, 62, 78, 93, 94, 104, 124, 141, 156, 186, 188, 248, 282, 312, 372, 376, 403, 564, 611, 619, 744, 806, 1128, 1209, 1222, 1238, 1457, 1612, 1833, 1857, 2418, 2444, 2476, 2914, 3224, 3666, 3714, 4371, 4836, 4888, 4952, 5828, 7332, 7428, 8047, 8742, 9672, 11656, 14664, 14856, 16094, 17484, 18941, 19189, 24141, 29093, 32188, 34968, 37882, 38378, 48282, 56823, 57567, 58186, 64376, 75764, 76756, 87279, 96564, 113646, 115134, 116372, 151528, 153512, 174558, 193128, 227292, 230268, 232744, 249457, 349116, 378209, 454584, 460536, 498914, 698232, 748371, 756418, 901883, 997828, 1134627, 1496742, 1512836, 1803766, 1995656, 2269254, 2705649, 2993484, 3025672, 3607532, 4538508, 5411298, 5986968, 7215064, 9077016, 10822596, 11724479, 21645192, 23448958, 35173437, 46897916, 70346874, 93795832, 140693748, 281387496]

約数ペア:

[(1, 281387496), (2, 140693748), (3, 93795832), (4, 70346874), (6, 46897916), (8, 35173437), (12, 23448958), (13, 21645192), (24, 11724479), (26, 10822596), (31, 9077016), (39, 7215064), (47, 5986968), (52, 5411298), (62, 4538508), (78, 3607532), (93, 3025672), (94, 2993484), (104, 2705649), (124, 2269254), (141, 1995656), (156, 1803766), (186, 1512836), (188, 1496742), (248, 1134627), (282, 997828), (312, 901883), (372, 756418), (376, 748371), (403, 698232), (564, 498914), (611, 460536), (619, 454584), (744, 378209), (806, 349116), (1128, 249457), (1209, 232744), (1222, 230268), (1238, 227292), (1457, 193128), (1612, 174558), (1833, 153512), (1857, 151528), (2418, 116372), (2444, 115134), (2476, 113646), (2914, 96564), (3224, 87279), (3666, 76756), (3714, 75764), (4371, 64376), (4836, 58186), (4888, 57567), (4952, 56823), (5828, 48282), (7332, 38378), (7428, 37882), (8047, 34968), (8742, 32188), (9672, 29093), (11656, 24141), (14664, 19189), (14856, 18941), (16094, 17484)]