313025720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{159707}}^1$

素因数の和:159732

約数の個数: 48

約数和(自身を含む): 819302040

約数和(自身を除く): 506276320

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, 159707, 319414, 638828, 798535, 1117949, 1277656, 1597070, 2235898, 3194140, 4471796, 5589745, 6388280, 7825643, 8943592, 11179490, 15651286, 22358980, 31302572, 39128215, 44717960, 62605144, 78256430, 156512860, 313025720]

約数ペア:

[(1, 313025720), (2, 156512860), (4, 78256430), (5, 62605144), (7, 44717960), (8, 39128215), (10, 31302572), (14, 22358980), (20, 15651286), (28, 11179490), (35, 8943592), (40, 7825643), (49, 6388280), (56, 5589745), (70, 4471796), (98, 3194140), (140, 2235898), (196, 1597070), (245, 1277656), (280, 1117949), (392, 798535), (490, 638828), (980, 319414), (1960, 159707)]