134540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2$

素因数の和:78

約数の個数: 36

約数和(自身を含む): 333648

約数和(自身を除く): 199108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 961, 1085, 1922, 2170, 3844, 4340, 4805, 6727, 9610, 13454, 19220, 26908, 33635, 67270, 134540]

約数ペア:

[(1, 134540), (2, 67270), (4, 33635), (5, 26908), (7, 19220), (10, 13454), (14, 9610), (20, 6727), (28, 4805), (31, 4340), (35, 3844), (62, 2170), (70, 1922), (124, 1085), (140, 961), (155, 868), (217, 620), (310, 434)]