90485500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 228953088

約数和(自身を除く): 138467588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 103, 125, 140, 175, 206, 250, 251, 350, 412, 500, 502, 515, 700, 721, 875, 1004, 1030, 1255, 1442, 1750, 1757, 2060, 2510, 2575, 2884, 3500, 3514, 3605, 5020, 5150, 6275, 7028, 7210, 8785, 10300, 12550, 12875, 14420, 17570, 18025, 25100, 25750, 25853, 31375, 35140, 36050, 43925, 51500, 51706, 62750, 72100, 87850, 90125, 103412, 125500, 129265, 175700, 180250, 180971, 219625, 258530, 360500, 361942, 439250, 517060, 646325, 723884, 878500, 904855, 1292650, 1809710, 2585300, 3231625, 3619420, 4524275, 6463250, 9048550, 12926500, 18097100, 22621375, 45242750, 90485500]

約数ペア:

[(1, 90485500), (2, 45242750), (4, 22621375), (5, 18097100), (7, 12926500), (10, 9048550), (14, 6463250), (20, 4524275), (25, 3619420), (28, 3231625), (35, 2585300), (50, 1809710), (70, 1292650), (100, 904855), (103, 878500), (125, 723884), (140, 646325), (175, 517060), (206, 439250), (250, 361942), (251, 360500), (350, 258530), (412, 219625), (500, 180971), (502, 180250), (515, 175700), (700, 129265), (721, 125500), (875, 103412), (1004, 90125), (1030, 87850), (1255, 72100), (1442, 62750), (1750, 51706), (1757, 51500), (2060, 43925), (2510, 36050), (2575, 35140), (2884, 31375), (3500, 25853), (3514, 25750), (3605, 25100), (5020, 18025), (5150, 17570), (6275, 14420), (7028, 12875), (7210, 12550), (8785, 10300)]