228859760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{66529}}^1$

素因数の和:66585

約数の個数: 40

約数和(自身を含む): 544481520

約数和(自身を除く): 315621760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 66529, 133058, 266116, 332645, 532232, 665290, 1064464, 1330580, 2661160, 2860747, 5322320, 5721494, 11442988, 14303735, 22885976, 28607470, 45771952, 57214940, 114429880, 228859760]

約数ペア:

[(1, 228859760), (2, 114429880), (4, 57214940), (5, 45771952), (8, 28607470), (10, 22885976), (16, 14303735), (20, 11442988), (40, 5721494), (43, 5322320), (80, 2860747), (86, 2661160), (172, 1330580), (215, 1064464), (344, 665290), (430, 532232), (688, 332645), (860, 266116), (1720, 133058), (3440, 66529)]