139034740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{809}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 315297360

約数和(自身を除く): 176262620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 661, 809, 1322, 1618, 2644, 3236, 3305, 4045, 6610, 8090, 8593, 10517, 13220, 16180, 17186, 21034, 34372, 42068, 42965, 52585, 85930, 105170, 171860, 210340, 534749, 1069498, 2138996, 2673745, 5347490, 6951737, 10694980, 13903474, 27806948, 34758685, 69517370, 139034740]

約数ペア:

[(1, 139034740), (2, 69517370), (4, 34758685), (5, 27806948), (10, 13903474), (13, 10694980), (20, 6951737), (26, 5347490), (52, 2673745), (65, 2138996), (130, 1069498), (260, 534749), (661, 210340), (809, 171860), (1322, 105170), (1618, 85930), (2644, 52585), (3236, 42965), (3305, 42068), (4045, 34372), (6610, 21034), (8090, 17186), (8593, 16180), (10517, 13220)]