197664040

素因数分解:

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

素因数の和:14439

約数の個数: 64

約数和(自身を含む): 518688000

約数和(自身を除く): 321023960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 14407, 28814, 57628, 72035, 100849, 115256, 144070, 201698, 288140, 403396, 504245, 576280, 705943, 806792, 1008490, 1411886, 2016980, 2823772, 3529715, 4033960, 4941601, 5647544, 7059430, 9883202, 14118860, 19766404, 24708005, 28237720, 39532808, 49416010, 98832020, 197664040]

約数ペア:

[(1, 197664040), (2, 98832020), (4, 49416010), (5, 39532808), (7, 28237720), (8, 24708005), (10, 19766404), (14, 14118860), (20, 9883202), (28, 7059430), (35, 5647544), (40, 4941601), (49, 4033960), (56, 3529715), (70, 2823772), (98, 2016980), (140, 1411886), (196, 1008490), (245, 806792), (280, 705943), (343, 576280), (392, 504245), (490, 403396), (686, 288140), (980, 201698), (1372, 144070), (1715, 115256), (1960, 100849), (2744, 72035), (3430, 57628), (6860, 28814), (13720, 14407)]