18097100

素因数分解:

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

素因数の和:375

約数の個数: 72

約数和(自身を含む): 45497088

約数和(自身を除く): 27399988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 103, 140, 175, 206, 251, 350, 412, 502, 515, 700, 721, 1004, 1030, 1255, 1442, 1757, 2060, 2510, 2575, 2884, 3514, 3605, 5020, 5150, 6275, 7028, 7210, 8785, 10300, 12550, 14420, 17570, 18025, 25100, 25853, 35140, 36050, 43925, 51706, 72100, 87850, 103412, 129265, 175700, 180971, 258530, 361942, 517060, 646325, 723884, 904855, 1292650, 1809710, 2585300, 3619420, 4524275, 9048550, 18097100]

約数ペア:

[(1, 18097100), (2, 9048550), (4, 4524275), (5, 3619420), (7, 2585300), (10, 1809710), (14, 1292650), (20, 904855), (25, 723884), (28, 646325), (35, 517060), (50, 361942), (70, 258530), (100, 180971), (103, 175700), (140, 129265), (175, 103412), (206, 87850), (251, 72100), (350, 51706), (412, 43925), (502, 36050), (515, 35140), (700, 25853), (721, 25100), (1004, 18025), (1030, 17570), (1255, 14420), (1442, 12550), (1757, 10300), (2060, 8785), (2510, 7210), (2575, 7028), (2884, 6275), (3514, 5150), (3605, 5020)]