67072220

素因数分解:

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

素因数の和:722

約数の個数: 48

約数和(自身を含む): 146313216

約数和(自身を除く): 79240996

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 251, 310, 431, 502, 620, 862, 1004, 1255, 1724, 2155, 2510, 4310, 5020, 7781, 8620, 13361, 15562, 26722, 31124, 38905, 53444, 66805, 77810, 108181, 133610, 155620, 216362, 267220, 432724, 540905, 1081810, 2163620, 3353611, 6707222, 13414444, 16768055, 33536110, 67072220]

約数ペア:

[(1, 67072220), (2, 33536110), (4, 16768055), (5, 13414444), (10, 6707222), (20, 3353611), (31, 2163620), (62, 1081810), (124, 540905), (155, 432724), (251, 267220), (310, 216362), (431, 155620), (502, 133610), (620, 108181), (862, 77810), (1004, 66805), (1255, 53444), (1724, 38905), (2155, 31124), (2510, 26722), (4310, 15562), (5020, 13361), (7781, 8620)]