4997890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 9408960

約数和(自身を除く): 4411070

約数列:

[1, 2, 5, 10, 43, 59, 86, 118, 197, 215, 295, 394, 430, 590, 985, 1970, 2537, 5074, 8471, 11623, 12685, 16942, 23246, 25370, 42355, 58115, 84710, 116230, 499789, 999578, 2498945, 4997890]

約数ペア:

[(1, 4997890), (2, 2498945), (5, 999578), (10, 499789), (43, 116230), (59, 84710), (86, 58115), (118, 42355), (197, 25370), (215, 23246), (295, 16942), (394, 12685), (430, 11623), (590, 8471), (985, 5074), (1970, 2537)]