27700790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 55576368

約数和(自身を除く): 27875578

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 169, 185, 338, 370, 443, 481, 845, 886, 962, 1690, 2215, 2405, 4430, 4810, 5759, 6253, 11518, 12506, 16391, 28795, 31265, 32782, 57590, 62530, 74867, 81955, 149734, 163910, 213083, 374335, 426166, 748670, 1065415, 2130830, 2770079, 5540158, 13850395, 27700790]

約数ペア:

[(1, 27700790), (2, 13850395), (5, 5540158), (10, 2770079), (13, 2130830), (26, 1065415), (37, 748670), (65, 426166), (74, 374335), (130, 213083), (169, 163910), (185, 149734), (338, 81955), (370, 74867), (443, 62530), (481, 57590), (845, 32782), (886, 31265), (962, 28795), (1690, 16391), (2215, 12506), (2405, 11518), (4430, 6253), (4810, 5759)]