889264510

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{18973}}^1$

素因数の和:19132

約数の個数: 32

約数和(自身を含む): 1653014880

約数和(自身を除く): 763750370

約数列:

[1, 2, 5, 10, 43, 86, 109, 215, 218, 430, 545, 1090, 4687, 9374, 18973, 23435, 37946, 46870, 94865, 189730, 815839, 1631678, 2068057, 4079195, 4136114, 8158390, 10340285, 20680570, 88926451, 177852902, 444632255, 889264510]

約数ペア:

[(1, 889264510), (2, 444632255), (5, 177852902), (10, 88926451), (43, 20680570), (86, 10340285), (109, 8158390), (215, 4136114), (218, 4079195), (430, 2068057), (545, 1631678), (1090, 815839), (4687, 189730), (9374, 94865), (18973, 46870), (23435, 37946)]