154980260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127033}}^1$

素因数の和:127103

約数の個数: 24

約数和(自身を含む): 330796536

約数和(自身を除く): 175816276

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 127033, 254066, 508132, 635165, 1270330, 2540660, 7749013, 15498026, 30996052, 38745065, 77490130, 154980260]

約数ペア:

[(1, 154980260), (2, 77490130), (4, 38745065), (5, 30996052), (10, 15498026), (20, 7749013), (61, 2540660), (122, 1270330), (244, 635165), (305, 508132), (610, 254066), (1220, 127033)]