30492980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1259}}^1$

素因数の和:1448

約数の個数: 48

約数和(自身を含む): 73664640

約数和(自身を除く): 43171660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1259, 1730, 2422, 2518, 3460, 4844, 5036, 6055, 6295, 8813, 12110, 12590, 17626, 24220, 25180, 35252, 44065, 88130, 176260, 217807, 435614, 871228, 1089035, 1524649, 2178070, 3049298, 4356140, 6098596, 7623245, 15246490, 30492980]

約数ペア:

[(1, 30492980), (2, 15246490), (4, 7623245), (5, 6098596), (7, 4356140), (10, 3049298), (14, 2178070), (20, 1524649), (28, 1089035), (35, 871228), (70, 435614), (140, 217807), (173, 176260), (346, 88130), (692, 44065), (865, 35252), (1211, 25180), (1259, 24220), (1730, 17626), (2422, 12590), (2518, 12110), (3460, 8813), (4844, 6295), (5036, 6055)]