71499820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{72959}}^1$

素因数の和:72982

約数の個数: 36

約数和(自身を含む): 174666240

約数和(自身を除く): 103166420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 72959, 145918, 291836, 364795, 510713, 729590, 1021426, 1459180, 2042852, 2553565, 3574991, 5107130, 7149982, 10214260, 14299964, 17874955, 35749910, 71499820]

約数ペア:

[(1, 71499820), (2, 35749910), (4, 17874955), (5, 14299964), (7, 10214260), (10, 7149982), (14, 5107130), (20, 3574991), (28, 2553565), (35, 2042852), (49, 1459180), (70, 1021426), (98, 729590), (140, 510713), (196, 364795), (245, 291836), (490, 145918), (980, 72959)]