315046406980

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1\times {\mathrm{164191}}^1$

素因数の和:164884

約数の個数: 48

約数和(自身を含む): 666325287936

約数和(自身を除く): 351278880956

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 487, 788, 974, 985, 1948, 1970, 2435, 3940, 4870, 9740, 95939, 164191, 191878, 328382, 383756, 479695, 656764, 820955, 959390, 1641910, 1918780, 3283820, 32345627, 64691254, 79961017, 129382508, 159922034, 161728135, 319844068, 323456270, 399805085, 646912540, 799610170, 1599220340, 15752320349, 31504640698, 63009281396, 78761601745, 157523203490, 315046406980]

約数ペア:

[(1, 315046406980), (2, 157523203490), (4, 78761601745), (5, 63009281396), (10, 31504640698), (20, 15752320349), (197, 1599220340), (394, 799610170), (487, 646912540), (788, 399805085), (974, 323456270), (985, 319844068), (1948, 161728135), (1970, 159922034), (2435, 129382508), (3940, 79961017), (4870, 64691254), (9740, 32345627), (95939, 3283820), (164191, 1918780), (191878, 1641910), (328382, 959390), (383756, 820955), (479695, 656764)]