291275440

素因数分解:

$2^4\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{3319}}^1$

素因数の和:4429

約数の個数: 40

約数和(自身を含む): 678036960

約数和(自身を除く): 386761520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1097, 2194, 3319, 4388, 5485, 6638, 8776, 10970, 13276, 16595, 17552, 21940, 26552, 33190, 43880, 53104, 66380, 87760, 132760, 265520, 3640943, 7281886, 14563772, 18204715, 29127544, 36409430, 58255088, 72818860, 145637720, 291275440]

約数ペア:

[(1, 291275440), (2, 145637720), (4, 72818860), (5, 58255088), (8, 36409430), (10, 29127544), (16, 18204715), (20, 14563772), (40, 7281886), (80, 3640943), (1097, 265520), (2194, 132760), (3319, 87760), (4388, 66380), (5485, 53104), (6638, 43880), (8776, 33190), (10970, 26552), (13276, 21940), (16595, 17552)]