30289490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 68705280

約数和(自身を除く): 38415790

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 139, 154, 278, 283, 385, 566, 695, 770, 973, 1390, 1415, 1529, 1946, 1981, 2830, 3058, 3113, 3962, 4865, 6226, 7645, 9730, 9905, 10703, 15290, 15565, 19810, 21406, 21791, 31130, 39337, 43582, 53515, 78674, 107030, 108955, 196685, 217910, 275359, 393370, 432707, 550718, 865414, 1376795, 2163535, 2753590, 3028949, 4327070, 6057898, 15144745, 30289490]

約数ペア:

[(1, 30289490), (2, 15144745), (5, 6057898), (7, 4327070), (10, 3028949), (11, 2753590), (14, 2163535), (22, 1376795), (35, 865414), (55, 550718), (70, 432707), (77, 393370), (110, 275359), (139, 217910), (154, 196685), (278, 108955), (283, 107030), (385, 78674), (566, 53515), (695, 43582), (770, 39337), (973, 31130), (1390, 21791), (1415, 21406), (1529, 19810), (1946, 15565), (1981, 15290), (2830, 10703), (3058, 9905), (3113, 9730), (3962, 7645), (4865, 6226)]