320297970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{248293}}^1$

素因数の和:248346

約数の個数: 32

約数和(自身を含む): 786595392

約数和(自身を除く): 466297422

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 248293, 496586, 744879, 1241465, 1489758, 2482930, 3724395, 7448790, 10676599, 21353198, 32029797, 53382995, 64059594, 106765990, 160148985, 320297970]

約数ペア:

[(1, 320297970), (2, 160148985), (3, 106765990), (5, 64059594), (6, 53382995), (10, 32029797), (15, 21353198), (30, 10676599), (43, 7448790), (86, 3724395), (129, 2482930), (215, 1489758), (258, 1241465), (430, 744879), (645, 496586), (1290, 248293)]