66656450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 72

約数和(自身を含む): 146472768

約数和(自身を除く): 79816318

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 43, 50, 70, 86, 103, 175, 206, 215, 301, 350, 430, 515, 602, 721, 1030, 1075, 1442, 1505, 1849, 2150, 2575, 3010, 3605, 3698, 4429, 5150, 7210, 7525, 8858, 9245, 12943, 15050, 18025, 18490, 22145, 25886, 31003, 36050, 44290, 46225, 62006, 64715, 92450, 110725, 129430, 155015, 190447, 221450, 310030, 323575, 380894, 647150, 775075, 952235, 1333129, 1550150, 1904470, 2666258, 4761175, 6665645, 9522350, 13331290, 33328225, 66656450]

約数ペア:

[(1, 66656450), (2, 33328225), (5, 13331290), (7, 9522350), (10, 6665645), (14, 4761175), (25, 2666258), (35, 1904470), (43, 1550150), (50, 1333129), (70, 952235), (86, 775075), (103, 647150), (175, 380894), (206, 323575), (215, 310030), (301, 221450), (350, 190447), (430, 155015), (515, 129430), (602, 110725), (721, 92450), (1030, 64715), (1075, 62006), (1442, 46225), (1505, 44290), (1849, 36050), (2150, 31003), (2575, 25886), (3010, 22145), (3605, 18490), (3698, 18025), (4429, 15050), (5150, 12943), (7210, 9245), (7525, 8858)]