149727725

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 222069120

約数和(自身を除く): 72341395

約数列:

[1, 5, 7, 25, 29, 35, 145, 163, 175, 181, 203, 725, 815, 905, 1015, 1141, 1267, 4075, 4525, 4727, 5075, 5249, 5705, 6335, 23635, 26245, 28525, 29503, 31675, 33089, 36743, 118175, 131225, 147515, 165445, 183715, 206521, 737575, 827225, 855587, 918575, 1032605, 4277935, 5163025, 5989109, 21389675, 29945545, 149727725]

約数ペア:

[(1, 149727725), (5, 29945545), (7, 21389675), (25, 5989109), (29, 5163025), (35, 4277935), (145, 1032605), (163, 918575), (175, 855587), (181, 827225), (203, 737575), (725, 206521), (815, 183715), (905, 165445), (1015, 147515), (1141, 131225), (1267, 118175), (4075, 36743), (4525, 33089), (4727, 31675), (5075, 29503), (5249, 28525), (5705, 26245), (6335, 23635)]