205089700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{120641}}^1$

素因数の和:120672

約数の個数: 36

約数和(自身を含む): 471227652

約数和(自身を除く): 266137952

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 120641, 241282, 482564, 603205, 1206410, 2050897, 2412820, 3016025, 4101794, 6032050, 8203588, 10254485, 12064100, 20508970, 41017940, 51272425, 102544850, 205089700]

約数ペア:

[(1, 205089700), (2, 102544850), (4, 51272425), (5, 41017940), (10, 20508970), (17, 12064100), (20, 10254485), (25, 8203588), (34, 6032050), (50, 4101794), (68, 3016025), (85, 2412820), (100, 2050897), (170, 1206410), (340, 603205), (425, 482564), (850, 241282), (1700, 120641)]