122496080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31249}}^1$

素因数の和:31276

約数の個数: 60

約数和(自身を含む): 331312500

約数和(自身を除く): 208816420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 31249, 62498, 124996, 156245, 218743, 249992, 312490, 437486, 499984, 624980, 874972, 1093715, 1249960, 1531201, 1749944, 2187430, 2499920, 3062402, 3499888, 4374860, 6124804, 7656005, 8749720, 12249608, 15312010, 17499440, 24499216, 30624020, 61248040, 122496080]

約数ペア:

[(1, 122496080), (2, 61248040), (4, 30624020), (5, 24499216), (7, 17499440), (8, 15312010), (10, 12249608), (14, 8749720), (16, 7656005), (20, 6124804), (28, 4374860), (35, 3499888), (40, 3062402), (49, 2499920), (56, 2187430), (70, 1749944), (80, 1531201), (98, 1249960), (112, 1093715), (140, 874972), (196, 624980), (245, 499984), (280, 437486), (392, 312490), (490, 249992), (560, 218743), (784, 156245), (980, 124996), (1960, 62498), (3920, 31249)]