2039123408

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1721}}^1$

素因数の和:1956

約数の個数: 80

約数和(自身を含む): 4612204800

約数和(自身を除く): 2573081392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 149, 284, 298, 497, 568, 596, 994, 1043, 1136, 1192, 1721, 1988, 2086, 2384, 3442, 3976, 4172, 6884, 7952, 8344, 10579, 12047, 13768, 16688, 21158, 24094, 27536, 42316, 48188, 74053, 84632, 96376, 122191, 148106, 169264, 192752, 244382, 256429, 296212, 488764, 512858, 592424, 855337, 977528, 1025716, 1184848, 1710674, 1795003, 1955056, 2051432, 3421348, 3590006, 4102864, 6842696, 7180012, 13685392, 14360024, 18206459, 28720048, 36412918, 72825836, 127445213, 145651672, 254890426, 291303344, 509780852, 1019561704, 2039123408]

約数ペア:

[(1, 2039123408), (2, 1019561704), (4, 509780852), (7, 291303344), (8, 254890426), (14, 145651672), (16, 127445213), (28, 72825836), (56, 36412918), (71, 28720048), (112, 18206459), (142, 14360024), (149, 13685392), (284, 7180012), (298, 6842696), (497, 4102864), (568, 3590006), (596, 3421348), (994, 2051432), (1043, 1955056), (1136, 1795003), (1192, 1710674), (1721, 1184848), (1988, 1025716), (2086, 977528), (2384, 855337), (3442, 592424), (3976, 512858), (4172, 488764), (6884, 296212), (7952, 256429), (8344, 244382), (10579, 192752), (12047, 169264), (13768, 148106), (16688, 122191), (21158, 96376), (24094, 84632), (27536, 74053), (42316, 48188)]