28237720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14407}}^1$

素因数の和:14432

約数の個数: 48

約数和(自身を含む): 73913040

約数和(自身を除く): 45675320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 14407, 28814, 57628, 72035, 100849, 115256, 144070, 201698, 288140, 403396, 504245, 576280, 705943, 806792, 1008490, 1411886, 2016980, 2823772, 3529715, 4033960, 5647544, 7059430, 14118860, 28237720]

約数ペア:

[(1, 28237720), (2, 14118860), (4, 7059430), (5, 5647544), (7, 4033960), (8, 3529715), (10, 2823772), (14, 2016980), (20, 1411886), (28, 1008490), (35, 806792), (40, 705943), (49, 576280), (56, 504245), (70, 403396), (98, 288140), (140, 201698), (196, 144070), (245, 115256), (280, 100849), (392, 72035), (490, 57628), (980, 28814), (1960, 14407)]