2021839240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1381}}^1\times {\mathrm{2153}}^1$

素因数の和:3562

約数の個数: 64

約数和(自身を含む): 4822461360

約数和(自身を除く): 2800622120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1381, 2153, 2762, 4306, 5524, 6905, 8612, 10765, 11048, 13810, 17224, 21530, 23477, 27620, 36601, 43060, 46954, 55240, 73202, 86120, 93908, 117385, 146404, 183005, 187816, 234770, 292808, 366010, 469540, 732020, 939080, 1464040, 2973293, 5946586, 11893172, 14866465, 23786344, 29732930, 50545981, 59465860, 101091962, 118931720, 202183924, 252729905, 404367848, 505459810, 1010919620, 2021839240]

約数ペア:

[(1, 2021839240), (2, 1010919620), (4, 505459810), (5, 404367848), (8, 252729905), (10, 202183924), (17, 118931720), (20, 101091962), (34, 59465860), (40, 50545981), (68, 29732930), (85, 23786344), (136, 14866465), (170, 11893172), (340, 5946586), (680, 2973293), (1381, 1464040), (2153, 939080), (2762, 732020), (4306, 469540), (5524, 366010), (6905, 292808), (8612, 234770), (10765, 187816), (11048, 183005), (13810, 146404), (17224, 117385), (21530, 93908), (23477, 86120), (27620, 73202), (36601, 55240), (43060, 46954)]