51721350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{499}}^1\times {\mathrm{691}}^1$

素因数の和:1205

約数の個数: 48

約数和(自身を含む): 128712000

約数和(自身を除く): 76990650

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 499, 691, 998, 1382, 1497, 2073, 2495, 2994, 3455, 4146, 4990, 6910, 7485, 10365, 12475, 14970, 17275, 20730, 24950, 34550, 37425, 51825, 74850, 103650, 344809, 689618, 1034427, 1724045, 2068854, 3448090, 5172135, 8620225, 10344270, 17240450, 25860675, 51721350]

約数ペア:

[(1, 51721350), (2, 25860675), (3, 17240450), (5, 10344270), (6, 8620225), (10, 5172135), (15, 3448090), (25, 2068854), (30, 1724045), (50, 1034427), (75, 689618), (150, 344809), (499, 103650), (691, 74850), (998, 51825), (1382, 37425), (1497, 34550), (2073, 24950), (2495, 20730), (2994, 17275), (3455, 14970), (4146, 12475), (4990, 10365), (6910, 7485)]