257205510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4787}}^1$

素因数の和:5002

約数の個数: 64

約数和(自身を含む): 689472000

約数和(自身を除く): 432266490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 199, 270, 398, 597, 995, 1194, 1791, 1990, 2985, 3582, 4787, 5373, 5970, 8955, 9574, 10746, 14361, 17910, 23935, 26865, 28722, 43083, 47870, 53730, 71805, 86166, 129249, 143610, 215415, 258498, 430830, 646245, 952613, 1292490, 1905226, 2857839, 4763065, 5715678, 8573517, 9526130, 14289195, 17147034, 25720551, 28578390, 42867585, 51441102, 85735170, 128602755, 257205510]

約数ペア:

[(1, 257205510), (2, 128602755), (3, 85735170), (5, 51441102), (6, 42867585), (9, 28578390), (10, 25720551), (15, 17147034), (18, 14289195), (27, 9526130), (30, 8573517), (45, 5715678), (54, 4763065), (90, 2857839), (135, 1905226), (199, 1292490), (270, 952613), (398, 646245), (597, 430830), (995, 258498), (1194, 215415), (1791, 143610), (1990, 129249), (2985, 86166), (3582, 71805), (4787, 53730), (5373, 47870), (5970, 43083), (8955, 28722), (9574, 26865), (10746, 23935), (14361, 17910)]