90898370

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{937}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 167151600

約数和(自身を除く): 76253230

約数列:

[1, 2, 5, 10, 89, 109, 178, 218, 445, 545, 890, 937, 1090, 1874, 4685, 9370, 9701, 19402, 48505, 83393, 97010, 102133, 166786, 204266, 416965, 510665, 833930, 1021330, 9089837, 18179674, 45449185, 90898370]

約数ペア:

[(1, 90898370), (2, 45449185), (5, 18179674), (10, 9089837), (89, 1021330), (109, 833930), (178, 510665), (218, 416965), (445, 204266), (545, 166786), (890, 102133), (937, 97010), (1090, 83393), (1874, 48505), (4685, 19402), (9370, 9701)]