178705930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:811

約数の個数: 64

約数和(自身を含む): 363007008

約数和(自身を除く): 184301078

約数列:

[1, 2, 5, 10, 13, 26, 37, 53, 65, 74, 106, 130, 185, 265, 370, 481, 530, 689, 701, 962, 1378, 1402, 1961, 2405, 3445, 3505, 3922, 4810, 6890, 7010, 9113, 9805, 18226, 19610, 25493, 25937, 37153, 45565, 50986, 51874, 74306, 91130, 127465, 129685, 185765, 254930, 259370, 337181, 371530, 482989, 674362, 965978, 1374661, 1685905, 2414945, 2749322, 3371810, 4829890, 6873305, 13746610, 17870593, 35741186, 89352965, 178705930]

約数ペア:

[(1, 178705930), (2, 89352965), (5, 35741186), (10, 17870593), (13, 13746610), (26, 6873305), (37, 4829890), (53, 3371810), (65, 2749322), (74, 2414945), (106, 1685905), (130, 1374661), (185, 965978), (265, 674362), (370, 482989), (481, 371530), (530, 337181), (689, 259370), (701, 254930), (962, 185765), (1378, 129685), (1402, 127465), (1961, 91130), (2405, 74306), (3445, 51874), (3505, 50986), (3922, 45565), (4810, 37153), (6890, 25937), (7010, 25493), (9113, 19610), (9805, 18226)]