201018580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29303}}^1$

素因数の和:29333

約数の個数: 48

約数和(自身を含む): 492307200

約数和(自身を除く): 291288620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 29303, 58606, 117212, 146515, 205121, 293030, 410242, 586060, 820484, 1025605, 1435847, 2051210, 2871694, 4102420, 5743388, 7179235, 10050929, 14358470, 20101858, 28716940, 40203716, 50254645, 100509290, 201018580]

約数ペア:

[(1, 201018580), (2, 100509290), (4, 50254645), (5, 40203716), (7, 28716940), (10, 20101858), (14, 14358470), (20, 10050929), (28, 7179235), (35, 5743388), (49, 4102420), (70, 2871694), (98, 2051210), (140, 1435847), (196, 1025605), (245, 820484), (343, 586060), (490, 410242), (686, 293030), (980, 205121), (1372, 146515), (1715, 117212), (3430, 58606), (6860, 29303)]