3987130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 8536320

約数和(自身を除く): 4549190

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 79, 98, 103, 158, 206, 245, 395, 490, 515, 553, 721, 790, 1030, 1106, 1442, 2765, 3605, 3871, 5047, 5530, 7210, 7742, 8137, 10094, 16274, 19355, 25235, 38710, 40685, 50470, 56959, 81370, 113918, 284795, 398713, 569590, 797426, 1993565, 3987130]

約数ペア:

[(1, 3987130), (2, 1993565), (5, 797426), (7, 569590), (10, 398713), (14, 284795), (35, 113918), (49, 81370), (70, 56959), (79, 50470), (98, 40685), (103, 38710), (158, 25235), (206, 19355), (245, 16274), (395, 10094), (490, 8137), (515, 7742), (553, 7210), (721, 5530), (790, 5047), (1030, 3871), (1106, 3605), (1442, 2765)]