1440070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 2822688

約数和(自身を除く): 1382618

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 197, 215, 394, 430, 731, 985, 1462, 1970, 3349, 3655, 6698, 7310, 8471, 16745, 16942, 33490, 42355, 84710, 144007, 288014, 720035, 1440070]

約数ペア:

[(1, 1440070), (2, 720035), (5, 288014), (10, 144007), (17, 84710), (34, 42355), (43, 33490), (85, 16942), (86, 16745), (170, 8471), (197, 7310), (215, 6698), (394, 3655), (430, 3349), (731, 1970), (985, 1462)]