406243370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{164471}}^1$

素因数の和:164510

約数の個数: 32

約数和(自身を含む): 828938880

約数和(自身を除く): 422695510

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 164471, 328942, 822355, 1644710, 2138123, 3124949, 4276246, 6249898, 10690615, 15624745, 21381230, 31249490, 40624337, 81248674, 203121685, 406243370]

約数ペア:

[(1, 406243370), (2, 203121685), (5, 81248674), (10, 40624337), (13, 31249490), (19, 21381230), (26, 15624745), (38, 10690615), (65, 6249898), (95, 4276246), (130, 3124949), (190, 2138123), (247, 1644710), (494, 822355), (1235, 328942), (2470, 164471)]