2638580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 6483456

約数和(自身を除く): 3844876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 401, 470, 658, 802, 940, 1316, 1604, 1645, 2005, 2807, 3290, 4010, 5614, 6580, 8020, 11228, 14035, 18847, 28070, 37694, 56140, 75388, 94235, 131929, 188470, 263858, 376940, 527716, 659645, 1319290, 2638580]

約数ペア:

[(1, 2638580), (2, 1319290), (4, 659645), (5, 527716), (7, 376940), (10, 263858), (14, 188470), (20, 131929), (28, 94235), (35, 75388), (47, 56140), (70, 37694), (94, 28070), (140, 18847), (188, 14035), (235, 11228), (329, 8020), (401, 6580), (470, 5614), (658, 4010), (802, 3290), (940, 2807), (1316, 2005), (1604, 1645)]