139846360

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{17747}}^1$

素因数の和:17955

約数の個数: 32

約数和(自身を含む): 316269360

約数和(自身を除く): 176423000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 17747, 35494, 70988, 88735, 141976, 177470, 354940, 709880, 3496159, 6992318, 13984636, 17480795, 27969272, 34961590, 69923180, 139846360]

約数ペア:

[(1, 139846360), (2, 69923180), (4, 34961590), (5, 27969272), (8, 17480795), (10, 13984636), (20, 6992318), (40, 3496159), (197, 709880), (394, 354940), (788, 177470), (985, 141976), (1576, 88735), (1970, 70988), (3940, 35494), (7880, 17747)]