79379990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1129}}^1$

素因数の和:1304

約数の個数: 32

約数和(自身を含む): 146448000

約数和(自身を除く): 67068010

約数列:

[1, 2, 5, 10, 79, 89, 158, 178, 395, 445, 790, 890, 1129, 2258, 5645, 7031, 11290, 14062, 35155, 70310, 89191, 100481, 178382, 200962, 445955, 502405, 891910, 1004810, 7937999, 15875998, 39689995, 79379990]

約数ペア:

[(1, 79379990), (2, 39689995), (5, 15875998), (10, 7937999), (79, 1004810), (89, 891910), (158, 502405), (178, 445955), (395, 200962), (445, 178382), (790, 100481), (890, 89191), (1129, 70310), (2258, 35155), (5645, 14062), (7031, 11290)]