400351570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{11087}}^1$

素因数の和:11274

約数の個数: 32

約数和(自身を含む): 756822528

約数和(自身を除く): 356470958

約数列:

[1, 2, 5, 10, 23, 46, 115, 157, 230, 314, 785, 1570, 3611, 7222, 11087, 18055, 22174, 36110, 55435, 110870, 255001, 510002, 1275005, 1740659, 2550010, 3481318, 8703295, 17406590, 40035157, 80070314, 200175785, 400351570]

約数ペア:

[(1, 400351570), (2, 200175785), (5, 80070314), (10, 40035157), (23, 17406590), (46, 8703295), (115, 3481318), (157, 2550010), (230, 1740659), (314, 1275005), (785, 510002), (1570, 255001), (3611, 110870), (7222, 55435), (11087, 36110), (18055, 22174)]