7876278340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{103991}}^1$

素因数の和:104548

約数の個数: 48

約数和(自身を含む): 18938191104

約数和(自身を除く): 11061912764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 541, 1082, 2164, 2705, 3787, 5410, 7574, 10820, 15148, 18935, 37870, 75740, 103991, 207982, 415964, 519955, 727937, 1039910, 1455874, 2079820, 2911748, 3639685, 7279370, 14558740, 56259131, 112518262, 225036524, 281295655, 393813917, 562591310, 787627834, 1125182620, 1575255668, 1969069585, 3938139170, 7876278340]

約数ペア:

[(1, 7876278340), (2, 3938139170), (4, 1969069585), (5, 1575255668), (7, 1125182620), (10, 787627834), (14, 562591310), (20, 393813917), (28, 281295655), (35, 225036524), (70, 112518262), (140, 56259131), (541, 14558740), (1082, 7279370), (2164, 3639685), (2705, 2911748), (3787, 2079820), (5410, 1455874), (7574, 1039910), (10820, 727937), (15148, 519955), (18935, 415964), (37870, 207982), (75740, 103991)]