121420040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{61949}}^1$

素因数の和:61974

約数の個数: 48

約数和(自身を含む): 317803500

約数和(自身を除く): 196383460

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, 61949, 123898, 247796, 309745, 433643, 495592, 619490, 867286, 1238980, 1734572, 2168215, 2477960, 3035501, 3469144, 4336430, 6071002, 8672860, 12142004, 15177505, 17345720, 24284008, 30355010, 60710020, 121420040]

約数ペア:

[(1, 121420040), (2, 60710020), (4, 30355010), (5, 24284008), (7, 17345720), (8, 15177505), (10, 12142004), (14, 8672860), (20, 6071002), (28, 4336430), (35, 3469144), (40, 3035501), (49, 2477960), (56, 2168215), (70, 1734572), (98, 1238980), (140, 867286), (196, 619490), (245, 495592), (280, 433643), (392, 309745), (490, 247796), (980, 123898), (1960, 61949)]