340760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1217}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 876960

約数和(自身を除く): 536200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1217, 2434, 4868, 6085, 8519, 9736, 12170, 17038, 24340, 34076, 42595, 48680, 68152, 85190, 170380, 340760]

約数ペア:

[(1, 340760), (2, 170380), (4, 85190), (5, 68152), (7, 48680), (8, 42595), (10, 34076), (14, 24340), (20, 17038), (28, 12170), (35, 9736), (40, 8519), (56, 6085), (70, 4868), (140, 2434), (280, 1217)]