243536140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{509}}^2$

素因数の和:1074

約数の個数: 36

約数和(自身を含む): 523335456

約数和(自身を除く): 279799316

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 509, 940, 1018, 2036, 2545, 5090, 10180, 23923, 47846, 95692, 119615, 239230, 259081, 478460, 518162, 1036324, 1295405, 2590810, 5181620, 12176807, 24353614, 48707228, 60884035, 121768070, 243536140]

約数ペア:

[(1, 243536140), (2, 121768070), (4, 60884035), (5, 48707228), (10, 24353614), (20, 12176807), (47, 5181620), (94, 2590810), (188, 1295405), (235, 1036324), (470, 518162), (509, 478460), (940, 259081), (1018, 239230), (2036, 119615), (2545, 95692), (5090, 47846), (10180, 23923)]