290371240

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{12119}}^1$

素因数の和:12729

約数の個数: 32

約数和(自身を含む): 654480000

約数和(自身を除く): 364108760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 1198, 2396, 2995, 4792, 5990, 11980, 12119, 23960, 24238, 48476, 60595, 96952, 121190, 242380, 484760, 7259281, 14518562, 29037124, 36296405, 58074248, 72592810, 145185620, 290371240]

約数ペア:

[(1, 290371240), (2, 145185620), (4, 72592810), (5, 58074248), (8, 36296405), (10, 29037124), (20, 14518562), (40, 7259281), (599, 484760), (1198, 242380), (2396, 121190), (2995, 96952), (4792, 60595), (5990, 48476), (11980, 24238), (12119, 23960)]