12553100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 31664640

約数和(自身を除く): 19111540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 227, 316, 350, 395, 454, 553, 700, 790, 908, 1106, 1135, 1580, 1589, 1975, 2212, 2270, 2765, 3178, 3950, 4540, 5530, 5675, 6356, 7900, 7945, 11060, 11350, 13825, 15890, 17933, 22700, 27650, 31780, 35866, 39725, 55300, 71732, 79450, 89665, 125531, 158900, 179330, 251062, 358660, 448325, 502124, 627655, 896650, 1255310, 1793300, 2510620, 3138275, 6276550, 12553100]

約数ペア:

[(1, 12553100), (2, 6276550), (4, 3138275), (5, 2510620), (7, 1793300), (10, 1255310), (14, 896650), (20, 627655), (25, 502124), (28, 448325), (35, 358660), (50, 251062), (70, 179330), (79, 158900), (100, 125531), (140, 89665), (158, 79450), (175, 71732), (227, 55300), (316, 39725), (350, 35866), (395, 31780), (454, 27650), (553, 22700), (700, 17933), (790, 15890), (908, 13825), (1106, 11350), (1135, 11060), (1580, 7945), (1589, 7900), (1975, 6356), (2212, 5675), (2270, 5530), (2765, 4540), (3178, 3950)]