320199308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{2081}}^1$

素因数の和:2378

約数の個数: 48

約数和(自身を含む): 661076640

約数和(自身を除く): 340877332

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 269, 286, 538, 572, 1076, 2081, 2959, 3497, 4162, 5918, 6994, 8324, 11836, 13988, 22891, 27053, 38467, 45782, 54106, 76934, 91564, 108212, 153868, 297583, 559789, 595166, 1119578, 1190332, 2239156, 6157679, 7277257, 12315358, 14554514, 24630716, 29109028, 80049827, 160099654, 320199308]

約数ペア:

[(1, 320199308), (2, 160099654), (4, 80049827), (11, 29109028), (13, 24630716), (22, 14554514), (26, 12315358), (44, 7277257), (52, 6157679), (143, 2239156), (269, 1190332), (286, 1119578), (538, 595166), (572, 559789), (1076, 297583), (2081, 153868), (2959, 108212), (3497, 91564), (4162, 76934), (5918, 54106), (6994, 45782), (8324, 38467), (11836, 27053), (13988, 22891)]