2018281020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4805431}}^1$

素因数の和:4805450

約数の個数: 48

約数和(自身を含む): 6458500608

約数和(自身を除く): 4440219588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4805431, 9610862, 14416293, 19221724, 24027155, 28832586, 33638017, 48054310, 57665172, 67276034, 72081465, 96108620, 100914051, 134552068, 144162930, 168190085, 201828102, 288325860, 336380170, 403656204, 504570255, 672760340, 1009140510, 2018281020]

約数ペア:

[(1, 2018281020), (2, 1009140510), (3, 672760340), (4, 504570255), (5, 403656204), (6, 336380170), (7, 288325860), (10, 201828102), (12, 168190085), (14, 144162930), (15, 134552068), (20, 100914051), (21, 96108620), (28, 72081465), (30, 67276034), (35, 57665172), (42, 48054310), (60, 33638017), (70, 28832586), (84, 24027155), (105, 19221724), (140, 14416293), (210, 9610862), (420, 4805431)]