206859140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{463}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 441987840

約数和(自身を除く): 235128700

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 251, 356, 445, 463, 502, 890, 926, 1004, 1255, 1780, 1852, 2315, 2510, 4630, 5020, 9260, 22339, 41207, 44678, 82414, 89356, 111695, 116213, 164828, 206035, 223390, 232426, 412070, 446780, 464852, 581065, 824140, 1162130, 2324260, 10342957, 20685914, 41371828, 51714785, 103429570, 206859140]

約数ペア:

[(1, 206859140), (2, 103429570), (4, 51714785), (5, 41371828), (10, 20685914), (20, 10342957), (89, 2324260), (178, 1162130), (251, 824140), (356, 581065), (445, 464852), (463, 446780), (502, 412070), (890, 232426), (926, 223390), (1004, 206035), (1255, 164828), (1780, 116213), (1852, 111695), (2315, 89356), (2510, 82414), (4630, 44678), (5020, 41207), (9260, 22339)]