169219540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{172673}}^1$

素因数の和:172696

約数の個数: 36

約数和(自身を含む): 413381556

約数和(自身を除く): 244162016

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 172673, 345346, 690692, 863365, 1208711, 1726730, 2417422, 3453460, 4834844, 6043555, 8460977, 12087110, 16921954, 24174220, 33843908, 42304885, 84609770, 169219540]

約数ペア:

[(1, 169219540), (2, 84609770), (4, 42304885), (5, 33843908), (7, 24174220), (10, 16921954), (14, 12087110), (20, 8460977), (28, 6043555), (35, 4834844), (49, 3453460), (70, 2417422), (98, 1726730), (140, 1208711), (196, 863365), (245, 690692), (490, 345346), (980, 172673)]