258576890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:388

約数の個数: 128

約数和(自身を含む): 596090880

約数和(自身を除く): 337513990

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 31, 38, 55, 62, 65, 95, 110, 130, 143, 155, 190, 209, 247, 286, 307, 310, 341, 403, 418, 494, 589, 614, 682, 715, 806, 1045, 1178, 1235, 1430, 1535, 1705, 2015, 2090, 2470, 2717, 2945, 3070, 3377, 3410, 3991, 4030, 4433, 5434, 5833, 5890, 6479, 6754, 7657, 7982, 8866, 9517, 11666, 12958, 13585, 15314, 16885, 19034, 19955, 22165, 27170, 29165, 32395, 33770, 38285, 39910, 43901, 44330, 47585, 58330, 64163, 64790, 75829, 76570, 84227, 87802, 95170, 104687, 123721, 128326, 151658, 168454, 180823, 209374, 219505, 247442, 320815, 361646, 379145, 421135, 439010, 523435, 618605, 641630, 758290, 834119, 842270, 904115, 1046870, 1237210, 1360931, 1668238, 1808230, 1989053, 2350699, 2721862, 3978106, 4170595, 4701398, 6804655, 8341190, 9945265, 11753495, 13609310, 19890530, 23506990, 25857689, 51715378, 129288445, 258576890]

約数ペア:

[(1, 258576890), (2, 129288445), (5, 51715378), (10, 25857689), (11, 23506990), (13, 19890530), (19, 13609310), (22, 11753495), (26, 9945265), (31, 8341190), (38, 6804655), (55, 4701398), (62, 4170595), (65, 3978106), (95, 2721862), (110, 2350699), (130, 1989053), (143, 1808230), (155, 1668238), (190, 1360931), (209, 1237210), (247, 1046870), (286, 904115), (307, 842270), (310, 834119), (341, 758290), (403, 641630), (418, 618605), (494, 523435), (589, 439010), (614, 421135), (682, 379145), (715, 361646), (806, 320815), (1045, 247442), (1178, 219505), (1235, 209374), (1430, 180823), (1535, 168454), (1705, 151658), (2015, 128326), (2090, 123721), (2470, 104687), (2717, 95170), (2945, 87802), (3070, 84227), (3377, 76570), (3410, 75829), (3991, 64790), (4030, 64163), (4433, 58330), (5434, 47585), (5833, 44330), (5890, 43901), (6479, 39910), (6754, 38285), (7657, 33770), (7982, 32395), (8866, 29165), (9517, 27170), (11666, 22165), (12958, 19955), (13585, 19034), (15314, 16885)]