209827310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{3539}}^1$

素因数の和:3582

約数の個数: 72

約数和(自身を含む): 483061320

約数和(自身を除く): 273234010

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 121, 154, 242, 245, 385, 490, 539, 605, 770, 847, 1078, 1210, 1694, 2695, 3539, 4235, 5390, 5929, 7078, 8470, 11858, 17695, 24773, 29645, 35390, 38929, 49546, 59290, 77858, 123865, 173411, 194645, 247730, 272503, 346822, 389290, 428219, 545006, 856438, 867055, 1362515, 1734110, 1907521, 2141095, 2725030, 2997533, 3815042, 4282190, 5995066, 9537605, 14987665, 19075210, 20982731, 29975330, 41965462, 104913655, 209827310]

約数ペア:

[(1, 209827310), (2, 104913655), (5, 41965462), (7, 29975330), (10, 20982731), (11, 19075210), (14, 14987665), (22, 9537605), (35, 5995066), (49, 4282190), (55, 3815042), (70, 2997533), (77, 2725030), (98, 2141095), (110, 1907521), (121, 1734110), (154, 1362515), (242, 867055), (245, 856438), (385, 545006), (490, 428219), (539, 389290), (605, 346822), (770, 272503), (847, 247730), (1078, 194645), (1210, 173411), (1694, 123865), (2695, 77858), (3539, 59290), (4235, 49546), (5390, 38929), (5929, 35390), (7078, 29645), (8470, 24773), (11858, 17695)]