2144265740

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{218357}}^1$

素因数の和:218857

約数の個数: 24

約数和(自身を含む): 4512149712

約数和(自身を除く): 2367883972

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 218357, 436714, 873428, 1091785, 2183570, 4367140, 107213287, 214426574, 428853148, 536066435, 1072132870, 2144265740]

約数ペア:

[(1, 2144265740), (2, 1072132870), (4, 536066435), (5, 428853148), (10, 214426574), (20, 107213287), (491, 4367140), (982, 2183570), (1964, 1091785), (2455, 873428), (4910, 436714), (9820, 218357)]