402287210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{7717}}^1$

素因数の和:8138

約数の個数: 32

約数和(自身を含む): 781864272

約数和(自身を除く): 379577062

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 401, 802, 2005, 4010, 5213, 7717, 10426, 15434, 26065, 38585, 52130, 77170, 100321, 200642, 501605, 1003210, 3094517, 6189034, 15472585, 30945170, 40228721, 80457442, 201143605, 402287210]

約数ペア:

[(1, 402287210), (2, 201143605), (5, 80457442), (10, 40228721), (13, 30945170), (26, 15472585), (65, 6189034), (130, 3094517), (401, 1003210), (802, 501605), (2005, 200642), (4010, 100321), (5213, 77170), (7717, 52130), (10426, 38585), (15434, 26065)]