27917980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 62205696

約数和(自身を除く): 34287716

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 1217, 2294, 2434, 4588, 4868, 5735, 6085, 11470, 12170, 22940, 24340, 37727, 45029, 75454, 90058, 150908, 180116, 188635, 225145, 377270, 450290, 754540, 900580, 1395899, 2791798, 5583596, 6979495, 13958990, 27917980]

約数ペア:

[(1, 27917980), (2, 13958990), (4, 6979495), (5, 5583596), (10, 2791798), (20, 1395899), (31, 900580), (37, 754540), (62, 450290), (74, 377270), (124, 225145), (148, 188635), (155, 180116), (185, 150908), (310, 90058), (370, 75454), (620, 45029), (740, 37727), (1147, 24340), (1217, 22940), (2294, 12170), (2434, 11470), (4588, 6085), (4868, 5735)]