168507890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{3719}}^1$

素因数の和:3946

約数の個数: 32

約数和(自身を含む): 318193920

約数和(自身を除く): 149686030

約数列:

[1, 2, 5, 10, 23, 46, 115, 197, 230, 394, 985, 1970, 3719, 4531, 7438, 9062, 18595, 22655, 37190, 45310, 85537, 171074, 427685, 732643, 855370, 1465286, 3663215, 7326430, 16850789, 33701578, 84253945, 168507890]

約数ペア:

[(1, 168507890), (2, 84253945), (5, 33701578), (10, 16850789), (23, 7326430), (46, 3663215), (115, 1465286), (197, 855370), (230, 732643), (394, 427685), (985, 171074), (1970, 85537), (3719, 45310), (4531, 37190), (7438, 22655), (9062, 18595)]