1680962890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{62981}}^1$

素因数の和:63162

約数の個数: 32

約数和(自身を含む): 3224174544

約数和(自身を除く): 1543211654

約数列:

[1, 2, 5, 10, 17, 34, 85, 157, 170, 314, 785, 1570, 2669, 5338, 13345, 26690, 62981, 125962, 314905, 629810, 1070677, 2141354, 5353385, 9888017, 10706770, 19776034, 49440085, 98880170, 168096289, 336192578, 840481445, 1680962890]

約数ペア:

[(1, 1680962890), (2, 840481445), (5, 336192578), (10, 168096289), (17, 98880170), (34, 49440085), (85, 19776034), (157, 10706770), (170, 9888017), (314, 5353385), (785, 2141354), (1570, 1070677), (2669, 629810), (5338, 314905), (13345, 125962), (26690, 62981)]