38304280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19543}}^1$

素因数の和:19568

約数の個数: 48

約数和(自身を含む): 100260720

約数和(自身を除く): 61956440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 19543, 39086, 78172, 97715, 136801, 156344, 195430, 273602, 390860, 547204, 684005, 781720, 957607, 1094408, 1368010, 1915214, 2736020, 3830428, 4788035, 5472040, 7660856, 9576070, 19152140, 38304280]

約数ペア:

[(1, 38304280), (2, 19152140), (4, 9576070), (5, 7660856), (7, 5472040), (8, 4788035), (10, 3830428), (14, 2736020), (20, 1915214), (28, 1368010), (35, 1094408), (40, 957607), (49, 781720), (56, 684005), (70, 547204), (98, 390860), (140, 273602), (196, 195430), (245, 156344), (280, 136801), (392, 97715), (490, 78172), (980, 39086), (1960, 19543)]