156909080780

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{349}}^1\times {\mathrm{89561}}^1$

素因数の和:90170

約数の個数: 48

約数和(自身を含む): 331773472800

約数和(自身を除く): 174864392020

約数列:

[1, 2, 4, 5, 10, 20, 251, 349, 502, 698, 1004, 1255, 1396, 1745, 2510, 3490, 5020, 6980, 87599, 89561, 175198, 179122, 350396, 358244, 437995, 447805, 875990, 895610, 1751980, 1791220, 22479811, 31256789, 44959622, 62513578, 89919244, 112399055, 125027156, 156283945, 224798110, 312567890, 449596220, 625135780, 7845454039, 15690908078, 31381816156, 39227270195, 78454540390, 156909080780]

約数ペア:

[(1, 156909080780), (2, 78454540390), (4, 39227270195), (5, 31381816156), (10, 15690908078), (20, 7845454039), (251, 625135780), (349, 449596220), (502, 312567890), (698, 224798110), (1004, 156283945), (1255, 125027156), (1396, 112399055), (1745, 89919244), (2510, 62513578), (3490, 44959622), (5020, 31256789), (6980, 22479811), (87599, 1791220), (89561, 1751980), (175198, 895610), (179122, 875990), (350396, 447805), (358244, 437995)]