196812420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{66943}}^1$

素因数の和:66969

約数の個数: 72

約数和(自身を含む): 641055744

約数和(自身を除く): 444243324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 66943, 133886, 200829, 267772, 334715, 401658, 468601, 669430, 803316, 937202, 1004145, 1338860, 1405803, 1874404, 2008290, 2343005, 2811606, 3280207, 4016580, 4686010, 5623212, 6560414, 7029015, 9372020, 9840621, 13120828, 14058030, 16401035, 19681242, 28116060, 32802070, 39362484, 49203105, 65604140, 98406210, 196812420]

約数ペア:

[(1, 196812420), (2, 98406210), (3, 65604140), (4, 49203105), (5, 39362484), (6, 32802070), (7, 28116060), (10, 19681242), (12, 16401035), (14, 14058030), (15, 13120828), (20, 9840621), (21, 9372020), (28, 7029015), (30, 6560414), (35, 5623212), (42, 4686010), (49, 4016580), (60, 3280207), (70, 2811606), (84, 2343005), (98, 2008290), (105, 1874404), (140, 1405803), (147, 1338860), (196, 1004145), (210, 937202), (245, 803316), (294, 669430), (420, 468601), (490, 401658), (588, 334715), (735, 267772), (980, 200829), (1470, 133886), (2940, 66943)]