84976780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{86711}}^1$

素因数の和:86734

約数の個数: 36

約数和(自身を含む): 207588528

約数和(自身を除く): 122611748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 86711, 173422, 346844, 433555, 606977, 867110, 1213954, 1734220, 2427908, 3034885, 4248839, 6069770, 8497678, 12139540, 16995356, 21244195, 42488390, 84976780]

約数ペア:

[(1, 84976780), (2, 42488390), (4, 21244195), (5, 16995356), (7, 12139540), (10, 8497678), (14, 6069770), (20, 4248839), (28, 3034885), (35, 2427908), (49, 1734220), (70, 1213954), (98, 867110), (140, 606977), (196, 433555), (245, 346844), (490, 173422), (980, 86711)]