670812260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1\times {\mathrm{1091}}^1$

素因数の和:1604

約数の個数: 48

約数和(自身を含む): 1433158272

約数和(自身を除く): 762346012

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 433, 710, 866, 1091, 1420, 1732, 2165, 2182, 4330, 4364, 5455, 8660, 10910, 21820, 30743, 61486, 77461, 122972, 153715, 154922, 307430, 309844, 387305, 472403, 614860, 774610, 944806, 1549220, 1889612, 2362015, 4724030, 9448060, 33540613, 67081226, 134162452, 167703065, 335406130, 670812260]

約数ペア:

[(1, 670812260), (2, 335406130), (4, 167703065), (5, 134162452), (10, 67081226), (20, 33540613), (71, 9448060), (142, 4724030), (284, 2362015), (355, 1889612), (433, 1549220), (710, 944806), (866, 774610), (1091, 614860), (1420, 472403), (1732, 387305), (2165, 309844), (2182, 307430), (4330, 154922), (4364, 153715), (5455, 122972), (8660, 77461), (10910, 61486), (21820, 30743)]