15678640970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{373}}^1\times {\mathrm{1123}}^1$

素因数の和:1719

約数の個数: 64

約数和(自身を含む): 29964401280

約数和(自身を除く): 14285760310

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 197, 373, 394, 746, 985, 1123, 1865, 1970, 2246, 3730, 3743, 5615, 7087, 7486, 11230, 14174, 18715, 21337, 35435, 37430, 42674, 70870, 73481, 106685, 146962, 213370, 221231, 367405, 418879, 442462, 734810, 837758, 1106155, 1396139, 2094395, 2212310, 2792278, 4188790, 4203389, 6980695, 7958701, 8406778, 13961390, 15917402, 21016945, 39793505, 42033890, 79587010, 82519163, 165038326, 412595815, 825191630, 1567864097, 3135728194, 7839320485, 15678640970]

約数ペア:

[(1, 15678640970), (2, 7839320485), (5, 3135728194), (10, 1567864097), (19, 825191630), (38, 412595815), (95, 165038326), (190, 82519163), (197, 79587010), (373, 42033890), (394, 39793505), (746, 21016945), (985, 15917402), (1123, 13961390), (1865, 8406778), (1970, 7958701), (2246, 6980695), (3730, 4203389), (3743, 4188790), (5615, 2792278), (7087, 2212310), (7486, 2094395), (11230, 1396139), (14174, 1106155), (18715, 837758), (21337, 734810), (35435, 442462), (37430, 418879), (42674, 367405), (70870, 221231), (73481, 213370), (106685, 146962)]