30771755

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 45800640

約数和(自身を除く): 15028885

約数列:

[1, 5, 7, 29, 35, 49, 61, 71, 145, 203, 245, 305, 355, 427, 497, 1015, 1421, 1769, 2059, 2135, 2485, 2989, 3479, 4331, 7105, 8845, 10295, 12383, 14413, 14945, 17395, 21655, 30317, 61915, 72065, 86681, 100891, 125599, 151585, 212219, 433405, 504455, 627995, 879193, 1061095, 4395965, 6154351, 30771755]

約数ペア:

[(1, 30771755), (5, 6154351), (7, 4395965), (29, 1061095), (35, 879193), (49, 627995), (61, 504455), (71, 433405), (145, 212219), (203, 151585), (245, 125599), (305, 100891), (355, 86681), (427, 72065), (497, 61915), (1015, 30317), (1421, 21655), (1769, 17395), (2059, 14945), (2135, 14413), (2485, 12383), (2989, 10295), (3479, 8845), (4331, 7105)]