78984220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{564173}}^1$

素因数の和:564189

約数の個数: 24

約数和(自身を含む): 189562464

約数和(自身を除く): 110578244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 564173, 1128346, 2256692, 2820865, 3949211, 5641730, 7898422, 11283460, 15796844, 19746055, 39492110, 78984220]

約数ペア:

[(1, 78984220), (2, 39492110), (4, 19746055), (5, 15796844), (7, 11283460), (10, 7898422), (14, 5641730), (20, 3949211), (28, 2820865), (35, 2256692), (70, 1128346), (140, 564173)]