490790720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{219103}}^1$

素因数の和:219127

約数の個数: 56

約数和(自身を含む): 1335657984

約数和(自身を除く): 844867264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 219103, 438206, 876412, 1095515, 1533721, 1752824, 2191030, 3067442, 3505648, 4382060, 6134884, 7011296, 7668605, 8764120, 12269768, 14022592, 15337210, 17528240, 24539536, 30674420, 35056480, 49079072, 61348840, 70112960, 98158144, 122697680, 245395360, 490790720]

約数ペア:

[(1, 490790720), (2, 245395360), (4, 122697680), (5, 98158144), (7, 70112960), (8, 61348840), (10, 49079072), (14, 35056480), (16, 30674420), (20, 24539536), (28, 17528240), (32, 15337210), (35, 14022592), (40, 12269768), (56, 8764120), (64, 7668605), (70, 7011296), (80, 6134884), (112, 4382060), (140, 3505648), (160, 3067442), (224, 2191030), (280, 1752824), (320, 1533721), (448, 1095515), (560, 876412), (1120, 438206), (2240, 219103)]