118156780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{11887}}^1$

素因数の和:11974

約数の個数: 48

約数和(自身を含む): 287594496

約数和(自身を除く): 169437716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 11887, 23774, 47548, 59435, 83209, 118870, 166418, 237740, 332836, 416045, 832090, 843977, 1664180, 1687954, 3375908, 4219885, 5907839, 8439770, 11815678, 16879540, 23631356, 29539195, 59078390, 118156780]

約数ペア:

[(1, 118156780), (2, 59078390), (4, 29539195), (5, 23631356), (7, 16879540), (10, 11815678), (14, 8439770), (20, 5907839), (28, 4219885), (35, 3375908), (70, 1687954), (71, 1664180), (140, 843977), (142, 832090), (284, 416045), (355, 332836), (497, 237740), (710, 166418), (994, 118870), (1420, 83209), (1988, 59435), (2485, 47548), (4970, 23774), (9940, 11887)]