206911210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{271}}^1\times {\mathrm{631}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 411538176

約数和(自身を除く): 204626966

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 271, 542, 605, 631, 1210, 1262, 1355, 2710, 2981, 3155, 5962, 6310, 6941, 13882, 14905, 29810, 32791, 34705, 65582, 69410, 76351, 152702, 163955, 171001, 327910, 342002, 381755, 763510, 855005, 1710010, 1881011, 3762022, 9405055, 18810110, 20691121, 41382242, 103455605, 206911210]

約数ペア:

[(1, 206911210), (2, 103455605), (5, 41382242), (10, 20691121), (11, 18810110), (22, 9405055), (55, 3762022), (110, 1881011), (121, 1710010), (242, 855005), (271, 763510), (542, 381755), (605, 342002), (631, 327910), (1210, 171001), (1262, 163955), (1355, 152702), (2710, 76351), (2981, 69410), (3155, 65582), (5962, 34705), (6310, 32791), (6941, 29810), (13882, 14905)]