134144440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{431}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 313528320

約数和(自身を除く): 179383880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 251, 310, 431, 502, 620, 862, 1004, 1240, 1255, 1724, 2008, 2155, 2510, 3448, 4310, 5020, 7781, 8620, 10040, 13361, 15562, 17240, 26722, 31124, 38905, 53444, 62248, 66805, 77810, 106888, 108181, 133610, 155620, 216362, 267220, 311240, 432724, 534440, 540905, 865448, 1081810, 2163620, 3353611, 4327240, 6707222, 13414444, 16768055, 26828888, 33536110, 67072220, 134144440]

約数ペア:

[(1, 134144440), (2, 67072220), (4, 33536110), (5, 26828888), (8, 16768055), (10, 13414444), (20, 6707222), (31, 4327240), (40, 3353611), (62, 2163620), (124, 1081810), (155, 865448), (248, 540905), (251, 534440), (310, 432724), (431, 311240), (502, 267220), (620, 216362), (862, 155620), (1004, 133610), (1240, 108181), (1255, 106888), (1724, 77810), (2008, 66805), (2155, 62248), (2510, 53444), (3448, 38905), (4310, 31124), (5020, 26722), (7781, 17240), (8620, 15562), (10040, 13361)]