217824040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{4073}}^1$

素因数の和:4282

約数の個数: 64

約数和(自身を含む): 563189760

約数和(自身を除く): 345365720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 764, 955, 1337, 1528, 1910, 2674, 3820, 4073, 5348, 6685, 7640, 8146, 10696, 13370, 16292, 20365, 26740, 28511, 32584, 40730, 53480, 57022, 81460, 114044, 142555, 162920, 228088, 285110, 570220, 777943, 1140440, 1555886, 3111772, 3889715, 5445601, 6223544, 7779430, 10891202, 15558860, 21782404, 27228005, 31117720, 43564808, 54456010, 108912020, 217824040]

約数ペア:

[(1, 217824040), (2, 108912020), (4, 54456010), (5, 43564808), (7, 31117720), (8, 27228005), (10, 21782404), (14, 15558860), (20, 10891202), (28, 7779430), (35, 6223544), (40, 5445601), (56, 3889715), (70, 3111772), (140, 1555886), (191, 1140440), (280, 777943), (382, 570220), (764, 285110), (955, 228088), (1337, 162920), (1528, 142555), (1910, 114044), (2674, 81460), (3820, 57022), (4073, 53480), (5348, 40730), (6685, 32584), (7640, 28511), (8146, 26740), (10696, 20365), (13370, 16292)]